If tan-1 3 + tan-1 x = tan-1 8, then x =
5
1/5
5/14
14/5
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 value of cos-1 (cos 5π/3) + sin-1 (sin 5π/3) is
π/2
5π/3
10π/3
0
3 tan-1 a is equal to
The principal of value of sin-1(sin 3π/4) is
5π/4
3π/4
π/4
-π/4
If A = tan-1x, then the value of sin 2A is
If sec-1 (1/x) + 2 sin-1(1) = π, then x equals
1/2
1
The domain of sin-1(x) is
(-π, π)
[-1, 1]
(0, 2π)
(- ∞, ∞)
If 2 tan-1 (cos x) = tan-1 (2 cosec x), then value of x is
π/3