∫ (sqrt*tanx) (sec^(2) ) (x) dx

Answers :∫ (√tan x) sec^(2) x dx

let u = tan x; du = sec^2 x dx
∫sqrt u du
∫u^(1/2) du
= 2/3 u^(3/2) + c
= 2/3 (tan x)^(3/2) + c

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