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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 :/
 one year ago
 one year 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 :/
 one year ago
 one year ago

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MarcLeclairBest ResponseYou've already chosen the best response.1
I got to this point : sin^2(x) (1+cos^(x) /2 )
 one year ago

experimentXBest ResponseYou've already chosen the best response.1
change that into sin2x
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
Well I can get 1/2 sin2x with (sinxcosx)^2 would that work?
 one year ago

experimentXBest ResponseYou've already chosen the best response.1
no ... there is square again.
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
but (sinxcosx)^2 = (1/2sin2x)^2 = 1/4(sin^2(2x))?
 one year ago

experimentXBest ResponseYou've already chosen the best response.1
yes ... but still that will not work. there is square ... but we can change it into cos4x
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
Yeah I see it.. using basic trig! thanks :)
 one year ago
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