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Question-97892




Question Number 97892 by pranesh last updated on 10/Jun/20
Answered by john santu last updated on 10/Jun/20
sin^2 x = (1/2)−(1/2)cos 2x  sin^4 x = (1/4)−(1/2)cos 2x+(1/8)+(1/8)cos 4x  = (3/8)−(1/2)cos 2x+(1/8)cos 4x  ∫ sin^4 x dx = (3/8)x−(1/4)sin 2x+(1/(32))sin 4x + c
sin2x=1212cos2xsin4x=1412cos2x+18+18cos4x=3812cos2x+18cos4xsin4xdx=38x14sin2x+132sin4x+c

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