Question:
Write the value of $\sec ^{-1}\left(\frac{1}{2}\right)$.
Solution:
The value of $\sec ^{-1}\left(\frac{1}{2}\right)$ is undefined as it is outside the range i.e., $R-(-1,1)$.
Write the value of $\sec ^{-1}\left(\frac{1}{2}\right)$.
The value of $\sec ^{-1}\left(\frac{1}{2}\right)$ is undefined as it is outside the range i.e., $R-(-1,1)$.