Question

The domain of $\tan^{-1}x$ is

• A. $\left(-\frac{\pi}{2},\frac{\pi}{2}\right)$
• B. $(0,\pi)$
• C. $[-1,1]$
• D. $(-\infty,\infty)$

Hint:

Domain of $\tan^{-1}x$ is all real numbers while its range is $\left(-\frac{\pi}{2},\frac{\pi}{2}\right)$.

Answer 1

The Correct Option is D