Washer Method: Revolving Around Other Axes Practice Test

$V=\pi\displaystyle\int_{0}^{\pi/4}\left[(\cos x)^2-(\sin x)^2\right]dx$

$V=\pi\displaystyle\int_{0}^{\pi/4}\left[(\sin x+2)^2-(\cos x+2)^2\right]dx$

$V=\pi\displaystyle\int_{0}^{\pi/4}\left[(\cos x+2)^2-(\sin x+2)^2\right]dx$

$V=\pi\displaystyle\int_{0}^{\pi/4}\left[(\cos x+2)^2-(\sin x)^2\right]dx$

$V=\pi\displaystyle\int_{0}^{\pi/4}\left[(\cos x-2)^2-(\sin x-2)^2\right]dx$