defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Trigonometry Inverse Trigonometric Functions

cot-1 3 + cosec-1 √5 =

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