Question
Wed July 20, 2011 By: Akashdeep Grewal

how to solve intergal of 2cosx + 3sinx/3sinx -2cosx... i'm confused in this question

Expert Reply
Tue July 19, 2011
To solve this integral put
2cosx+3sinx=p(3sinx-2cosx)+q(3cosx+2sinx)
2cosx+3sinx=(3p+2q)sinx+(3q-2p)cosx
equating we get
2=3p+2q and 3=2q+3p
solving the above 2 equations we get
p=5/13 and q=12/13
now,
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