The functions \sin (x) and \cos (x) are periodic with least period 2 \pi. What is the least period of the function \cos (\sin (x)) ?
Answer Choices
A. \dfrac{\pi}{2}
B. \pi
C. 2 \pi
D. 4 \pi
E. It's not periodic.
The functions \sin (x) and \cos (x) are periodic with least period 2 \pi. What is the least period of the function \cos (\sin (x)) ?
Answer Choices
A. \dfrac{\pi}{2}
B. \pi
C. 2 \pi
D. 4 \pi
E. It's not periodic.