CBSE Class 12-science Answered
Integration cosec3 x dx explain in great detail and give full solution
Asked by haroonrashidgkp | 18 Oct, 2018, 04:31: PM
Expert Answer
let cosec3x=cosec2x cosec x
so 
cosec3x dx= cosec2x cosec x dx.
cosec3x dx= cosec2x cosec x dx.use cosec2x-cot2x=1
hence cosec2x=1+cot2x
cosec x cosec2x dxput cot x= t
differentiate w.r.t x
-cosec2x dx =dt
Answered by Ram Singh | 18 Oct, 2018, 07:03: PM
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