In the range $0 \leq x \leq 2 \pi$, the equation $\cos ( \sin ( x ) ) = \frac { 1 } { 2 }$ has (A) 0 solutions. (B) 2 solutions. (C) 4 solutions. (D) infinitely many solutions.
In the range $0 \leq x \leq 2 \pi$, the equation $\cos ( \sin ( x ) ) = \frac { 1 } { 2 }$ has\\
(A) 0 solutions.\\
(B) 2 solutions.\\
(C) 4 solutions.\\
(D) infinitely many solutions.