Teaching EMRS PGT Mock Test 2023 Mathematics Trigonometry Inverse Trigonometric Functions

The value of \({\cos ^{ - 1}}\left( {\cos \frac{{5\pi }}{3}} \right) + {\sin ^{ - 1}}\left( {\sin \frac{{5\pi }}{3}} \right)\) is

1
\(\frac{\pi }{2}\)
2
\(\frac{{5\pi }}{3}\)
3
\(\frac{{10\pi }}{3}\)
4
0
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