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Mathematics 12 Online
OpenStudy (anonymous):

Integrate cos2x / (cosx + sinx)^2

OpenStudy (shubhamsrg):

expand denominator .

OpenStudy (anonymous):

cos2x / 1+sin2x

OpenStudy (shubhamsrg):

think, what should you substitute here ?

OpenStudy (anonymous):

Oh pellet I am a fool !

OpenStudy (shubhamsrg):

glad to help

OpenStudy (anonymous):

|dw:1371657579627:dw|

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