1.

`sin(tan^(-1)x), |x| lt 1` बराबर होता है :A. `(x)/(sqrt(1-x^(2)))`B. `(1)/(sqrt(1-x^(2)))`C. `(1)/(sqrt(1+x^(2)))`D. `(x)/(sqrt(1+x^(2)))`

Answer» Correct Answer - D


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