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

question 152

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

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