Trigonometric functions - Integration - sin2x and cos2x formats.
Test Yourself 1.
The results required for these further identities are:
sin2 nx = ½(1 - cos2nx)
cos2 nx = ½(1 + cos2nx)
sin2x | 1. |
2. Determine . |
3. | ||
5. | ||
7. Evaluate .
Answer.1/2(π/3-√3/4). |
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9. | ||
11. | ||
cos2x - direct. | 13. | |
15. | ||
17. | ||
19. | ||
21. | ||
23. Using the substitution x = sin t or otherwise, evaluate . |
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Problems. | 25. | |