5. Among the following functions, the odd function with minimum positive period $\pi$ is (A) $y = \cos \left( 2 x + \frac { \pi } { 2 } \right)$ (B) $y = \sin \left( x 2 + \frac { \pi } { 3 } \right)$ (C) $y = \sin z + \cos$ $y = \sin x +$
5. Among the following functions, the odd function with minimum positive period $\pi$ is\\
(A) $y = \cos \left( 2 x + \frac { \pi } { 2 } \right)$\\
(B) $y = \sin \left( x 2 + \frac { \pi } { 3 } \right)$\\
(C) $y = \sin z + \cos$\\
$y = \sin x +$