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The MCQ Cos3α =: 4sinα - 3sin³α, 4cos³α - 3cosα, 3cos³α - 4cosα and 3sinα - 4sin³α with "Triple Angle Identities" App Download (Free) for ACT subject test tutoring. Study triple angle identities quiz questions, download Google eBook (Free Sample) to learn free online courses.

## Triple Angle Identities MCQ Quiz : Math MCQs

MCQ 1: cos3α =

A) 4sinα - 3sin³α
B) 4cos³α - 3cosα
C) 3cos³α - 4cosα
D) 3sinα - 4sin³α

MCQ 2: sin5θ+sin7θ =

A) sin6θcosθ
B) cos6θsinθ
C) tan2θtanθ
D) 2sin6θcosθ

MCQ 3: sin3θ/sinθ +cos3θ/cosθ =

A) sinθ
B) 2cot2θ
C) cosθ
D) cosθ

MCQ 4: cosθ+cos3θ/2sinθsin2θ =

A) tan2θtanθ
B) cot2θcotθ
C) −tan2θtanθ
D) sin2θtanθ

MCQ 5: 2sin7θcos3θ =

A) tan2θtanθ
B) cot2θcotθ
C) −tan2θtanθ
D) sin10θ+sin4θ

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