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Trigonometric Functions
Trigonometric Functions
Radian Measure
Trigonometric Functions
Radian Measure

                 360  2 radians
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians
          
  30
           6
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians
          
  30
           6
          
  45
           4
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians
          
  30
           6
          
  45
           4
          
  60
          3
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians
          
  30
           6
          
  45
           4
          
  60
          3
          
  90
          2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians
                         2
  30              120
           6               3
          
  45
           4
          
  60
           3
          
  90
          2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians
                         2
  30              120
           6               3
                         3
  45             135
           4               4
          
  60
           3
          
  90
          2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians
                         2
  30              120
           6               3
                         3
  45             135
           4               4
                         5
  60             150
           3               6
          
  90
          2
Trigonometric Functions
Radian Measure

                       360  2 radians
Common Conversions

Degrees Radians Degrees Radians
                         2
  30              120
           6               3
                         3
  45             135
           4               4
                         5
  60             150
           3               6
          
  90             180        
          2
Trigonometric Functions
Radian Measure

                       360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians
                         2              7
  30              120             210
           6               3               6
                         3
  45             135
           4               4
                         5
  60             150
           3               6
          
  90             180        
           2
Trigonometric Functions
Radian Measure

                       360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians
                         2              7
  30              120             210
           6               3               6
                         3              5
  45             135              225
           4               4               4
                         5
  60             150
           3               6
          
  90             180        
           2
Trigonometric Functions
Radian Measure

                       360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians
                         2              7
  30              120             210
           6               3               6
                         3              5
  45             135              225
           4               4               4
                         5              4
  60             150             240
           3               6               3
          
  90             180        
           2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians
                         2              7
  30              120             210
           6               3               6
                         3              5
  45             135              225
           4               4               4
                         5              4
  60             150             240
           3               6               3
                                         3
  90             180            270
           2                               2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians Degrees Radians
                         2              7              5
  30              120             210             300
           6               3               6               3
                         3              5
  45             135              225
           4               4               4
                         5              4
  60             150             240
           3               6               3
                                         3
  90             180            270
           2                               2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians Degrees Radians
                         2              7              5
  30              120             210             300
           6               3               6               3
                         3              5              7
  45             135              225             315
           4               4               4               4
                         5              4
  60             150             240
           3               6               3
                                         3
  90             180            270
           2                               2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians Degrees Radians
                         2              7              5
  30              120             210             300
           6               3               6               3
                         3              5              7
  45             135              225             315
           4               4               4               4
                         5              4             11
  60             150             240             330
           3               6               3               6
                                         3
  90             180            270
           2                               2
Trigonometric Functions
Radian Measure

                     360  2 radians
Common Conversions

Degrees Radians Degrees Radians Degrees Radians Degrees Radians
                         2              7              5
  30              120             210             300
           6               3               6               3
                         3              5              7
  45             135              225             315
           4               4               4               4
                         5              4             11
  60             150             240             330
           3               6               3               6
                                         3
  90             180            270             360      2
           2                               2
e.g. Express in radians
   (i) 67
e.g. Express in radians
             67
    (i) 67 
          
                   rads
              180
e.g. Express in radians
             67
    (i) 67 
          
                   rads
              180
            1.1693 rads (to 4 dp)
e.g. Express in radians
             67
    (i) 67 
          
                   rads              (ii) 36
              180
            1.1693 rads (to 4 dp)
e.g. Express in radians
             67                               36
    (i) 67 
          
                   rads              (ii) 36 
                                          
                                                   rads
              180                              180
            1.1693 rads (to 4 dp)
e.g. Express in radians
             67                               36
    (i) 67 
          
                   rads              (ii) 36 
                                          
                                                   rads
              180                              180
            1.1693 rads (to 4 dp)
                                                  
                                                     rads
                                                  5
e.g. Express in radians
             67                                   36
    (i) 67 
          
                   rads                  (ii) 36 
                                              
                                                       rads
              180                                  180
                1.1693 rads (to 4 dp)
                                                      
                                                         rads
                                                      5
     Convert to degrees
          
  (iii)       rads
          8
e.g. Express in radians
             67                               36
    (i) 67 
          
                   rads              (ii) 36 
                                          
                                                   rads
              180                              180
            1.1693 rads (to 4 dp)
                                                  
                                                     rads
                                                  5
     Convert to degrees
                 180
  (iii) rads  
       8         8 
e.g. Express in radians
             67                               36
    (i) 67 
          
                   rads              (ii) 36 
                                          
                                                   rads
              180                              180
            1.1693 rads (to 4 dp)
                                                  
                                                     rads
                                                  5
     Convert to degrees
                 180
  (iii) rads  
       8         8 
                     
                   1
               22
                   2
e.g. Express in radians
             67                                  36
    (i) 67 
          
                   rads                 (ii) 36 
                                               
                                                      rads
              180                                 180
            1.1693 rads (to 4 dp)
                                                       
                                                          rads
                                                       5
     Convert to degrees
                 180
  (iii) rads                       (iv) 111.1 rads
       8         8 
                     
                   1
               22
                   2
e.g. Express in radians
             67                                  36
    (i) 67 
          
                   rads                 (ii) 36 
                                              
                                                      rads
              180                                 180
            1.1693 rads (to 4 dp)
                                                      
                                                         rads
                                                      5
     Convert to degrees
                 180                                           180
  (iii) rads                       (iv) 111.1 rads  111.1
       8         8                                              
                     
                   1
               22
                   2
e.g. Express in radians
             67                                  36
    (i) 67 
          
                   rads                 (ii) 36 
                                              
                                                      rads
              180                                 180
            1.1693 rads (to 4 dp)
                                                      
                                                         rads
                                                      5
     Convert to degrees
                 180                                           180
  (iii) rads                       (iv) 111.1 rads  111.1
       8         8                                              
                     
                   1
               22                                     6365.6 (to 1 dp)
                   2
e.g. Express in radians
             67                                    36
    (i) 67 
          
                   rads                   (ii) 36 
                                                
                                                        rads
              180                                   180
            1.1693 rads (to 4 dp)
                                                        
                                                           rads
                                                        5
     Convert to degrees
                 180                                             180
  (iii) rads                         (iv) 111.1 rads  111.1
       8         8                                                
                     
                   1
               22                                       6365.6 (to 1 dp)
                   2



    Exercise 14A; 1 to 6 ace etc, 8 aceg, 9 ace, 10, 11, 16 ace, 19

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11X1 T08 01 radian measure (2010)

  • 3. Trigonometric Functions Radian Measure 360  2 radians
  • 4. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians
  • 5. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians  30 6
  • 6. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians  30 6  45 4
  • 7. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians  30 6  45 4  60 3
  • 8. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians  30 6  45 4  60 3  90 2
  • 9. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians  2 30 120 6 3  45 4  60 3  90 2
  • 10. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians  2 30 120 6 3  3 45 135 4 4  60 3  90 2
  • 11. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians  2 30 120 6 3  3 45 135 4 4  5 60 150 3 6  90 2
  • 12. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians  2 30 120 6 3  3 45 135 4 4  5 60 150 3 6  90 180  2
  • 13. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians  2 7 30 120 210 6 3 6  3 45 135 4 4  5 60 150 3 6  90 180  2
  • 14. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians  2 7 30 120 210 6 3 6  3 5 45 135 225 4 4 4  5 60 150 3 6  90 180  2
  • 15. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians  2 7 30 120 210 6 3 6  3 5 45 135 225 4 4 4  5 4 60 150 240 3 6 3  90 180  2
  • 16. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians  2 7 30 120 210 6 3 6  3 5 45 135 225 4 4 4  5 4 60 150 240 3 6 3  3 90 180  270 2 2
  • 17. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians Degrees Radians  2 7 5 30 120 210 300 6 3 6 3  3 5 45 135 225 4 4 4  5 4 60 150 240 3 6 3  3 90 180  270 2 2
  • 18. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians Degrees Radians  2 7 5 30 120 210 300 6 3 6 3  3 5 7 45 135 225 315 4 4 4 4  5 4 60 150 240 3 6 3  3 90 180  270 2 2
  • 19. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians Degrees Radians  2 7 5 30 120 210 300 6 3 6 3  3 5 7 45 135 225 315 4 4 4 4  5 4 11 60 150 240 330 3 6 3 6  3 90 180  270 2 2
  • 20. Trigonometric Functions Radian Measure 360  2 radians Common Conversions Degrees Radians Degrees Radians Degrees Radians Degrees Radians  2 7 5 30 120 210 300 6 3 6 3  3 5 7 45 135 225 315 4 4 4 4  5 4 11 60 150 240 330 3 6 3 6  3 90 180  270 360 2 2 2
  • 21. e.g. Express in radians (i) 67
  • 22. e.g. Express in radians 67 (i) 67   rads 180
  • 23. e.g. Express in radians 67 (i) 67   rads 180  1.1693 rads (to 4 dp)
  • 24. e.g. Express in radians 67 (i) 67   rads (ii) 36 180  1.1693 rads (to 4 dp)
  • 25. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)
  • 26. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5
  • 27. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees  (iii) rads 8
  • 28. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 (iii) rads   8 8 
  • 29. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 (iii) rads   8 8   1  22 2
  • 30. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 (iii) rads   (iv) 111.1 rads 8 8   1  22 2
  • 31. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 180 (iii) rads   (iv) 111.1 rads  111.1 8 8    1  22 2
  • 32. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 180 (iii) rads   (iv) 111.1 rads  111.1 8 8    1  22  6365.6 (to 1 dp) 2
  • 33. e.g. Express in radians 67 36 (i) 67   rads (ii) 36   rads 180 180  1.1693 rads (to 4 dp)   rads 5 Convert to degrees   180 180 (iii) rads   (iv) 111.1 rads  111.1 8 8    1  22  6365.6 (to 1 dp) 2 Exercise 14A; 1 to 6 ace etc, 8 aceg, 9 ace, 10, 11, 16 ace, 19