# Trigonometric Identities Multiple Choice Questions 1 PDF Download

Learn trigonometric identities multiple choice questions (MCQs), math test 1 for online course prep exams. Practice triple angle identities MCQs questions and answers on triple angle identities, trigonometric identities, online math learning, basic trigonometry formulas, trigonometric ratios of allied angles for online college board study guide for preparation.

Free trigonometric identities quiz online, study guide has multiple choice question on cos3α = with options 4cos³α - 3cosα, 4sinα - 3sin³α, 3cos³α - 4cosα and 3sinα - 4sin³α to test online e-learning skills for viva exam prep and job's interview questions with answers key. Study to learn triple angle identities quiz questions with online learning MCQs for competitive exam preparation test.

## MCQ on Trigonometric Identities Quiz PDF Download Test 1

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