Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Trigonometry Inverse Trigonometric Functions
The solution set of the equation sin-1 x = 2tan-1 x is
1
{1, 2}
2
{-1, 2}
3
{-1, 1, 0}
4
More than one of the above.
5
None of the above