3 years ago

Damaris will be working at the local pool over his nine-week summer break. His net pay will be $123.56 each

Mathematics

1 answer:

lesya [120]3 years ago

8 0

I wish I could help but I’m stúpid ;-;. Good luck finding the answer 00p

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Answer:

Step-by-step explanation:

Here the region between two curves is rotated about a vertical line.

The functions are

$y = sin^2x, \\y = sin^4x, \\x in [0,[pi]/2].$

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Since rotated about x = pi/2 we get

using cylindrical shell method

Volume = $2\pi rh\\=2\pi \int\limits^\frac{\pi}{2} _0 {xy} \, dx \\=2\pi \int\limits^\frac{\pi}{2} _0 (x+\frac{\pi}{2} )(sin^2 x -sin^4 x) dx\\$

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3 years ago

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Step-by-step explanation:

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Step-by-step explanation:

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