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Integrate the following functions: (cos2x+2 sin^2 x)/cos^2x

Answer»

SOLUTION :`(cos2x+2 sin^2x)/cos^2x)`
`=(1-2sin^2x+2sin^2x)/cos^2x = sec^2x`
THEREFORE `INT (cos2x+2sin^2x)/cos^2x) = tanx+c`


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