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# Sine Cosine Tangent Multiple Choice Questions (MCQ) PDF Download

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The MCQ Sin(A+45°)sin(A-45°) =: −1/2cos(2a), −1/2sin(2a), 1/2cos(2a) with "Sine Cosine Tangent" App Download (Free) to learn e-learning courses. Study sine cosine tangent quiz questions, download Google eBook (Free Sample) for ACT subject test tutoring.

## Sine Cosine Tangent MCQ Quiz : Math MCQs

MCQ 1: sin(A+45°)sin(A-45°) =

A) −1/2cos(2A)
B) −1/2sin(2A)
C) 1/2cos(2A)
D) None of Above

MCQ 2: sin5θcos2θ =

A) 1/2[sin7θ+sin3θ]
B) [sin7θ+sin3θ]
C) 1/2[sin7θ-sin3θ]
D) None of Above

MCQ 3: 2sin12°sin46° =

A) cos34°cos58°
B) sin34°+sin58°
C) sin34°-sin58°
D) cos34°-cos58°

MCQ 4: (cos(x)-cos3x)/(sin3x-sin(x)) =

A) cot2x
B) tan2x
C) csc2x
D) sec2x

MCQ 5: 2sin(x+45°)sin(x-45°) =

A) cos2x
B) −cos2x
C) sin2x
D) −sin2x

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