The value of sin(cot-1x) is
x
(1 + x2)-3/2
(1 + x2)-1/2
The value of sin (2 sin-1 0.8) is
0.96
0.48
0.64
None of these
The principal of value of sin-1(sin 3π/4) is
5π/4
3π/4
π/4
-π/4
What is the value of sin-1 (sin 2π/3)?
-π/3
2π/3
-2π/3
π/3
If tan-1 3 + tan-1 x = tan-1 8, then x =
5
1/5
5/14
14/5
3 tan-1 a is equal to
A solution of the eqution tan-1 (1 + x) + tan-1 (1 - x) = π/2 is
x = 1
x = -1
x = 0
x = π
If x + 1/x = 2, what is the principal value of sin-1 x?
30o
45o
60o
90o
sin [2 cos-1 (-3/5)] is equal to
6/25
24/25
4/5
-24/25
Cos-1 (cos 7π/6) is equal to
7π/6
5π/6
π/6
