1.

`inttan^(-1){sqrt((1-cos2x)/(1+cos2x))} dx = ?`A. `1/((1+x^(2))) + C`B. `1/(sqrt(1+x^(2))) + C`C. `1/(sqrt(1-x^(2))) + C`D. `(x^(2))/(2) + C`

Answer» Correct Answer - D


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