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Grade 12th passIntegral Calculus

intergral(from 0to pi/2) of sinxsin2x(dx) is?

Profile image of RAJAT CHHABRA
12 Years agoGrade 12th pass
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2 Answers

Profile image of Arun Kumar
ApprovedApproved Tutor Answer12 Years ago
assume
sin(x)=t
cos(x)*dx=dt
=integration of 2t^2 from 0 to 1
=2/3
Profile image of RAJAT CHHABRA
12 Years ago
ohkay! that was easy!