Question

The range of sin^-1 x + cos^-1 x + tan^-1 x is ____________.

विकल्प

• `[0, pi]`

• `[pi/4, (3pi)/4]`

• `(0, pi)`

• `[0, pi/2]`

Answer 1

The range of sin^-1 x + cos^-1 x + tan^-1 x is `underline([pi/4, (3pi)/4]`.