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In Example #21, final answer is cos^2 and not tan^2
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Simplify Trigonometric Expressions With Identities
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- 1 Intro
- 2 Example #1
- 3 Example #2
- 4 Example #3
- 5 Example #4
- 6 Example #5
- 7 Example #6
- 8 Example #7
- 9 Example #8
- 10 Example #9
- 11 Example #10
- 12 Example #11
- 13 Example #12
- 14 Example #13
- 15 Example #14
- 16 Example #15
- 17 Example #16
- 18 Example #17
- 19 Example #18
- 20 Example #19
- 21 Example #20
- 22 Example #21
- 23 Example #22
- 24 Example #23
- 25 Example #24
- 26 In Example #20, sec^2x is equal to (tan^2x + 1). So final answer: -5(tanx-secx)
- 27 In Example #21, final answer is cos^2 and not tan^2
