College Math MCQs - Chapter 13
Trigonometric Identities Multiple Choice Questions (MCQ) PDF - 4
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Trigonometric Identities Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: (cos(x)-cos3x)/(sin3x-sin(x)) =
- cot2x
- tan2x
- csc2x
- sec2x
MCQ 17: 1+cos2α =
- 2sinα
- 2cosα
- 2secα
- 2cos²α
MCQ 18: 2sin(x+45°)sin(x-45°) =
- cos2x
- −cos2x
- sin2x
- −sin2x
MCQ 19: Sin(-α) =
- secα
- −sinα
- sinα
- −cosα
MCQ 20: Sinα =
- 2sinα/2cosα/2
- 2cos²α/2+1
- sinα/2cosα/2
- None of Above
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