Question

Choose the correct alternative:

sin(tan^–1x), |x| < 1 is equal to

विकल्प

• `x/sqrt(1 - x^2)`

• `1/sqrt(1 - x^2)`

• `1/sqrt(1 + x^2)`

• `x/sqrt(1 + x^2)`

Answer 1

`x/sqrt(1 + x^2)`