Use definite integrals to find the area of the surface of revolution obtained by revolving $f ( x ) = \cos x$ around the x-axis on the interval [ $\pi$ /2, 3 $\pi$ /2].
A) 5.59 $\pi$
B) 6.59 $\pi$
C) 3.59 $\pi$
D) 4.59 $\pi$

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The Answer of Use definite integrals to find the area of the surface of revolution obtained by revolving $f ( x ) = \cos x$ around the x-axis on the interval [ $\pi$ /2, 3 $\pi$ /2].
A) 5.59 $\pi$
B) 6.59 $\pi$
C) 3.59 $\pi$
D) 4.59 $\pi$

Use Definite Integrals to Find the Area of the Surface f(x)=cos⁡xf ( x ) = \cos xf(x)=cosx

Use Definite Integrals to Find the Area of the Surface $f ( x ) = \cos x$