Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Trigonometry Inverse Trigonometric Functions
For x ≥ 1, the value of f(x) = 2 tan-1 x + sin-1 \(\frac{{2x}}{{1 + {x^2}}}\)is
1
4 tan -1 x
2
\(\frac{\pi }{2}\)
3
π
4
More than one of the above
5
None of the above