# Trigonometric Identities Multiple Choice Questions and Answers 1 PDF Book Download

Trigonometric identities MCQs, trigonometric identities quiz answers to learn college math quiz 1 for math online courses. Learn triple angle identities multiple choice questions (MCQs), trigonometric identities quiz questions and answers. Free e-learning tutorial on triple angle identities, trigonometric identities, online math learning, basic trigonometry formulas, trigonometric ratios of allied angles test prep for online math courses distance learning.

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## MCQ on Trigonometric Identities Test 1Quiz Book Download

MCQ: Cos3α =

- 4sinα - 3sin³α
- 4cos³α - 3cosα
- 3cos³α - 4cosα
- 3sinα - 4sin³α

A

MCQ: Tan(α + β) =

- tanα-tanβ/1 + tanαtanβ
- tanα+tanβ/1 - tanαtanβ
- cotα+cotβ/1-cotαcotβ
- cotα-cotβ/1 + cotαcotβ

B

MCQ: Cos(-435°) =

- cos15°
- −cos15°
- −sin15°
- sin15°

D

MCQ: Cosθ + cosπ =

- −2sin(θ + π/2)sin(θ-π/2)
- 2cos(θ + π/2)sin(θ-π/2)
- 2cos(θ + π/2)cos(θ-π/2)
- None of Above

C

MCQ: If tanθ < 0, sinθ < 0, then terminal arm of angle lies in quadrant

- 1
- 2
- 3
- 4

A