The value of the integral \(\mathop \smallint \limits_{-\pi/4}^{\pi/4} (sinx)^{-4}~dx\) is

The value of the integral \(\mathop \smallint \limits_{-\pi/4}^{\pi/4

1.	The value of the integral \(\mathop \smallint \limits_{-\pi/4}^{\pi/4} (sinx)^{-4}~dx\) is
A.	-8/3
B.	8/4
C.	8/3
D.	None of these
Answer» B. 8/4