Teaching EMRS PGT Mock Test 2023 Mathematics Trigonometry Inverse Trigonometric Functions

What is the value of \(\rm \cos^{-1} \frac{3}{5} + 2 \tan^{-1} \frac{1}{3}\)?

1
\(\frac{\pi}{3}\)
2
\(\frac{\pi}{2}\)
3
\(\frac{\pi}{4}\)
4
\(\frac{\pi}{6}\)
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