6/7
6/√13
√13/5
17/6
Sin-1 (-x)=
Cos x
-Sin-1 x
Sin-1 x
None of these
Sin-1 4/5 + 2 tan-1 1/3 =
π/3
π/4
π/2
0
Sin-1 x + sin-1 2x = π/3, then x is
The value of tan-1√3-sec-1(-2) + cosec-1(2/√3) is ____________
1
-π/2
If Sin-1 x = π/5 for some x∈ [-1, 1] then the value of Cos-1 x is
3π/10
5π/10
7π/10
9π/10
If cos-1 x + cos-1 y = π what is the value of sin-1x + sin-1y ?
π
2π
The value of sin-11/2 is ____________________
-π/6
π/6
-π/3
If cos-11/2 =A, then cos A = ___________________
1/2
2
