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

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

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

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

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

experimentX
 one year 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

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