Solve

Asked by sukhmaneet | 26th Jul, 2009, 01:58: PM

Expert Answer:

I = cotx.cosec2x dx  

Let cot x =t

cosec2xdx=-dt

cotx.cosec2x dx  becomes -tdt  = -t2/2+c  = -cot2 x/2 +c

Answered by  | 27th Jul, 2009, 03:45: PM

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