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Question-107617




Question Number 107617 by mathdave last updated on 11/Aug/20
Answered by Ar Brandon last updated on 11/Aug/20
I=∫sec^3 xtan^3 xdx    =∫sec^2 x(sec^2 x−1)secxtanxdx    =∫(sec^4 x−sec^2 x)d(secx)    =[((sec^5 x)/5)−((sec^3 x)/3)]+C
I=sec3xtan3xdx=sec2x(sec2x1)secxtanxdx=(sec4xsec2x)d(secx)=[sec5x5sec3x3]+C

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