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  • 3 years ago

Integral question ( finding volume): Find the volume obtained by rotating the following curves bounded by: y=sinx y=0 pi/2≤ x ≤ pi I used cylindrical method because washer doesn't work in this case ( only one function)

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  1. MarcLeclair
    • 3 years ago
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    Cylindrical gave me : ∫(pi/2 to pi) 2pi (x) sinxdx but integration by part didn't give me the right answer and the answer key gave me ∫pi(x)^2 dx which I don't understand from where it comes from.

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