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Ask iit jee aieee pet cbse icse state board experts Expert Question: how do i integrate sin x cos x using the identity sin2x=2sinxcosx
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[Post New]5 Oct 2008 23:47:54 IST
    Subject: how do i integrate sin x cos x using the identity sin2x=2sinxcosx
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Sheira (0)

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how do i integrate sin x cos x using the identity sin2x=2sinxcosx
    
[Post New]5 Oct 2008 23:52:30 IST
    Subject: Re:how do i integrate sin x cos x using the identity sin2x=2sinxcosx
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deedee (2203)

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itz sinx*cosx nw multiply and divide by 2 u get


sin2x/2


itz integral is cos2x/4*(-1)
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[Post New]7 Oct 2008 12:10:46 IST
    Subject: how do i integrate sin x cos x using the identity sin2x=2sinxcosx
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elessar_iitkgp (2390)

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@deedee is correct. Its just an example of integration by substitution where you substitute 2x = z


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