Sine cosine tangent MCQs, sine cosine tangent quiz answers to learn math courses online. Trigonometric identities multiple choice questions (MCQs), sine cosine tangent quiz questions and answers for undergraduate degree. Trigonometric identities, trigonometric ratios of allied angles, double angle identities, sine cosine tangent test prep for online certifications.

Practice trigonometric identities test MCQs: sin(a+45°)sin(a-45°) =, with choices −1/2cos(2a), −1/2sin(2a), 1/2cos(2a), and none of above for undergraduate degree. Practice assessment test for scholarships, online learning sine cosine tangent quiz questions for competitive assessment in math major.

MCQ: Sin(A+45°)sin(A-45°) =

1. −1/2cos(2A)
2. −1/2sin(2A)
3. 1/2cos(2A)
4. None of Above

A

MCQ: Sin5θcos2θ =

1. 1/2[sin7θ+sin3θ]
2. [sin7θ+sin3θ]
3. 1/2[sin7θ-sin3θ]
4. None of Above

A

MCQ: 2sin12°sin46° =

1. cos34°cos58°
2. sin34°+sin58°
3. sin34°-sin58°
4. cos34°-cos58°

D

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

1. cot2x
2. tan2x
3. csc2x
4. sec2x

B

MCQ: 2sin(x+45°)sin(x-45°) =

1. cos2x
2. −cos2x
3. sin2x
4. −sin2x

B