defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Trigonometry Inverse Trigonometric Functions
The value of : tan{sin–1(cos(sin–1 x))}. tan{cos-1(sin(cos–1 x))} ; x ∈ (0, 1) is equal to ;
1
0
2
1
3
– 1
4
none of these