Find the Surface Area or Volume $y = \sin 2 x , 0 \leq x \leq \frac { \pi } { 2 }$

Multiple Choice

Find the surface area or volume.
-Use numerical integration with a programmable calculator or a CAS to find, to two decimal places, the area of the surface generated by revolving the curve $y = \sin 2 x , 0 \leq x \leq \frac { \pi } { 2 }$ , about the $x$ -axis.

A) 9.29
B) 14.42
C) 7.21
D) 1.48