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Question
Integrate the following functions with respect to x :
sin2 5x
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Solution
`int sin^2 5x "d"x = int (1 - cos2(5x))/2 "d"x`
= `1/2 int (1 - cos 10x) "d"x`
= `1/2 [int "d"x - int cos 10x "d"x]`
`int sin^2 5x "d"x = 1/2[x - (sin 10x)/10] + "c"`
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