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# for E-I-S M.5/10

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จดลงในสมุดล่วงหน้าเลยนะครับ

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### for E-I-S M.5/10

1. 1. OF TRIGONOMET RIC FORMULAS Aj. Tawan Thongsan For EIS ROOM [M. 5/10 @2013]
2. 2. KEY WORD IN TOPIC  Verify That  Show That  Prove  Blank about ….. lines.  Evaluate  Cancel
3. 3.    2 sinExample 1. Verify that cos = prove Blank about 5 lines.
4. 4.    2 cosExample 2. Show that sin = prove Blank about 5 lines.
5. 5. Example 3. Show that prove Blank about 10 lines.      tantan1 tantan tan   
6. 6. Example 4. Evaluate prove Blank about 7 lines.  15sin
7. 7. Example 5. Evaluate prove Blank about 6 lines. ) 32 3 cos(  
8. 8. Example 6. Evaluate prove Blank about 12 lines.       12 7 cos 
9. 9. Example 7. Evaluate prove Blank about 12 lines.        12 sin 
10. 10. Example 8. If Find prove Blank about 7 lines. 7 3 sec x x2cos
11. 11. Example 9. Evaluate prove Blank about 7 lines. x3cos
12. 12. Example 10. If Find prove Blank about 7 lines. 44.064cos   32cos