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anonymous
 3 years ago
Help with the following integral:
∫(from 0 to pi/2) sin^2(x) cos^2(x)
sorry I don't really know how to write integrals down on the computer :/
anonymous
 3 years ago
Help with the following integral: ∫(from 0 to pi/2) sin^2(x) cos^2(x) sorry I don't really know how to write integrals down on the computer :/

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0I got to this point : sin^2(x) (1+cos^(x) /2 )

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1change that into sin2x

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Well I can get 1/2 sin2x with (sinxcosx)^2 would that work?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1no ... there is square again.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but (sinxcosx)^2 = (1/2sin2x)^2 = 1/4(sin^2(2x))?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1yes ... but still that will not work. there is square ... but we can change it into cos4x

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Yeah I see it.. using basic trig! thanks :)
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