Learn triple angle identities MCQs, math test for online learning courses, test prep to practice test. Trigonometric identities multiple choice questions (MCQs), triple angle identities quiz questions and answers, trigonometric ratios of allied angles, basic trigonometry formulas, online math learning, trigonometric identities, triple angle identities tutorials for online math courses distance learning.

College math practice test MCQ: cos3α = with options 4sinα - 3sin³α, 4cos³α - 3cosα, 3cos³α - 4cosα and 3sinα - 4sin³α for scholars competing for college and universities' scholarships with college board ACT prep. Free study guide is for online learning triple angle identities quiz with MCQs to practice test questions with answers.

MCQ: Cos3α =

1. 4sinα - 3sin³α
2. 4cos³α - 3cosα
3. 3cos³α - 4cosα
4. 3sinα - 4sin³α

A

MCQ: Sin5θ+sin7θ =

1. sin6θcosθ
2. cos6θsinθ
3. tan2θtanθ
4. 2sin6θcosθ

D

MCQ: Sin3θ/sinθ +cos3θ/cosθ =

1. sinθ
2. 2cot2θ
3. cosθ
4. cosθ

B

MCQ: Cosθ+cos3θ/2sinθsin2θ =

1. tan2θtanθ
2. cot2θcotθ
3. −tan2θtanθ
4. sin2θtanθ

B

MCQ: 2sin7θcos3θ =

1. tan2θtanθ
2. cot2θcotθ
3. −tan2θtanθ
4. sin10θ+sin4θ

D