College Math MCQs - Chapter 13
Trigonometric Identities Trivia Questions & Answers PDF Download - 4
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The Quiz: (cos(x)-cos3x)/(sin3x-sin(x)) =; "Trigonometric Identities" App APK Download with answers: Tan2x; Cot2x; Csc2x; Sec2x; for ACT practice test. Practice Basic Trigonometry Formulas Quiz Questions, download Kindle eBook (Free Sample) for online college classes.
Trigonometric Identities Test Questions and Answers PDF Download: MCQ 4
(cos(x)-cos3x)/(sin3x-sin(x)) =
- cot2x
- tan2x
- csc2x
- sec2x
1+cos2α =
- 2sinα
- 2cosα
- 2secα
- 2cos²α
2sin(x+45°)sin(x-45°) =
- cos2x
- −cos2x
- sin2x
- −sin2x
Sin(-α) =
- secα
- −sinα
- sinα
- −cosα
Sinα =
- 2sinα/2cosα/2
- 2cos²α/2+1
- sinα/2cosα/2
- None of Above
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