Q. If $cos (sin x) = 0$ , then $x$ lies in -

197 223 Trigonometric Functions Report Error

A

$(\frac{π}{4}, \frac{π}{2}) \cup (\frac{π}{2}, π)$

B

$(- \frac{π}{4}, 0)$

C

$(π, \frac{3 π}{2})$

D

null set

Solution:

Correct answer is (d) null set