Trigonometry MCQ Questions and Solutions with Explanations | Aptitude

A. 1

B. $$\frac{{2 + \sqrt 3 }}{{2\sqrt 3 }}$$

C. 0

D. $$\sqrt 2 $$

A. 1

B. -1

C. 2

D. 0

A. 1

B. -1

C. 2

D. 0

A. 23°

B. 37°

C. 63°

D. 67°

A. $${\text{sin }}\left( {\frac{{{\text{A + B}}}}{2}} \right) = {\text{cos}}\frac{{\text{C}}}{2}$$    

B. $${\text{cos }}\left( {\frac{{{\text{A + B}}}}{2}} \right) = {\text{sin}}\frac{{\text{C}}}{2}$$    

C. $${\text{tan }}\left( {\frac{{{\text{A + B}}}}{2}} \right) = \sec \frac{{\text{C}}}{2}$$    

D. $${\text{cot }}\left( {\frac{{{\text{A + B}}}}{2}} \right) = \tan \frac{{\text{C}}}{2}$$