Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Range of the function $f(x)=\cos ^{-1}\left(\frac{1}{e^x+e^{-x}}\right)$ is

Inverse Trigonometric Functions

Solution:

Correct answer is (c) $\left[\frac{\pi}{3}, \frac{\pi}{2}\right)$