Q. The value of $cos 1^{\circ} cos 2^{\circ} cos 3^{\circ} cos 17 9^{\circ}$ is equal to

1315 199 Trigonometric Functions Report Error

A

$\frac{1}{2}$

14%

B

0

14%

C

$- \frac{1}{2}$

57%

D

2

14%

Solution:

Correct answer is (b) 0