Integration (2)

âˆ«3+2cosx(2+3cosx)²

2 Answers

1357

Manish Shankar ·2009-03-27 05:54:21

âˆ«3+2cosx
(2+3cosx)2

putting cosx=1-tan²x/21+tan²x/2

it becomes
5+tan²x/2(5-tan²x/2)²sec²x/2 dx

put tan(x/2)=t and proceed

Got it.....
Thanx

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