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Question Number 94084 by seedhamaieng@gmail.com last updated on 16/May/20

∫(√(cotx))dx

cotxdx

Commented by Kunal12588 last updated on 16/May/20

=∫(√(tan(π/2−x))) dx  =−∫(√(tan t)) dt ; with t=tan((π/2)−x)  ∫(√(tan x)) dx is very popular integral, its already  answered here ; maybe you have to dig deeper  or search in The Internet.

=tan(π/2x)dx=tantdt;witht=tan(π2x)tanxdxisverypopularintegral,itsalreadyansweredhere;maybeyouhavetodigdeeperorsearchinTheInternet.

Commented by  M±th+et+s last updated on 16/May/20

go to Q.99340

gotoQ.99340

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