Aspire Faculty ID #15121 · Topic: JAMIA MILLIA ISLAMIA MCA 2018 · Just now
JAMIA MILLIA ISLAMIA MCA 2018

Principal value of $\cos^{-1}(\cos 5)$ is

Solution

For the principal range $[0, \pi]$, $\cos^{-1}(\cos 5) = 2\pi - 5$.
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