Teaching DSSSB PGT Mock Test 2025 Mathematics Trigonometry Inverse Trigonometric Functions

What is tan−1 cot(cosec−1 2) equal to ?

1
\(\frac{\pi}{8}\)
2
\(\frac{\pi}{6}\)
3
\(\frac{\pi}{4}\)
4
\(\frac{\pi}{3}\)
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