Qwizdom a-level maths - trig equations 1

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An interactive maths lesson designed for use with Qwizdom Interactive Voting Systems

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Qwizdom a-level maths - trig equations 1

  1. 1. A-LEVEL MATHS TRIG EQUATIONS 1 AN INTERACTIVE QWIZDOM LESSON
  2. 2. Solving trig equations <ul><li>When solving, , one solution is 30°, what is the other solution in the region from 0° to 360°? </li></ul>A) 150 0 B) 170 0 C) 120 0 D) 330 0
  3. 3. Solving trig equations <ul><li>When solving, , one solution is 45°, what is the other solution in the region from 0° to 360°? </li></ul>A) 150 0 B) 125 0 C) 225 0 D) 135 0
  4. 4. Solving trig equations <ul><li>When solving, , one solution is -45°, which of these is also a solution? </li></ul>A) 315 0 B) 45 0 C) 135 0 D) 145 0
  5. 5. Solving trig equations <ul><li>When solving, , one solution is -30°, which of these is also a solution? </li></ul>A) 30 0 B) 210 0 C) 120 0 D) 230 0
  6. 6. Solving trig equations <ul><li>Without using a calculator decider whether this is true or false </li></ul>True False
  7. 7. Solving trig equations <ul><li>One solution to the equation is 84° ( to the nearest degree) . In the region from 360 ° to 720 °, which of these is also a solution? </li></ul>A) 714 0 B) 444 0 C) 366 0 D) 546 0
  8. 8. Solving trig equations <ul><li>One solution to the equation is 60°. Which of these is also a solution to the equation in the region from -360 ° to 0 °? </li></ul>A) -60 0 B) 60 0 C) -120 0 D) -240 0
  9. 9. Solving trig equations <ul><li>Without using a calculator, if what is ? </li></ul>A) 2 B) 1 C) 0 D) 0.5
  10. 10. Solving trig equations <ul><li>One solution to the equation is 30°. Which of these is also a solution to the equation in the region from 0 ° to 360 °? </li></ul>A) 300 0 B) 210 0 C) 150 0 D) 330 0
  11. 11. Solving trig equations <ul><li>Without using a calculator, if what is ? </li></ul>A) -2 B) -1 C) 0 D) -0.5
  12. 12. Solving trig equations <ul><li>What is the distance from the minimum point on the Cosine curve to the maximum point ( in the y-direction) ? </li></ul>A) 180 0 B) 2 C) 1 D) 90 0
  13. 13. Solving trig equations <ul><li>Which of these is an asymptote on the tan graph? </li></ul>A) x=90 0 B) x=180 0 C) x=45 0 D) x=360 0
  14. 14. Solving trig equations <ul><li>True or false: If you translate the sine curve 90 0 to the right you get the cosine curve . </li></ul>True False
  15. 15. Solving trig equations <ul><li>Without using a calculator, which of these will have the largest angle? </li></ul>A) B) C) D)
  16. 16. Solving trig equations <ul><li>True or false: there is a solution to the equation </li></ul>True False

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