If sin-1 x = y then
o ≤ y ≤ π
-π/2 ≤ y ≤ π/2
π/2 ≤ y ≤ π/2
If cos-1 1/2 =A, then cos A = __________.
0
1/2
1
2
The value of cos-1 √3/2 is
-π/6
π/6
π/3
-π/3
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
What is the value of x that satisfies the equation cos-1 x= 2 sin-1 x ?
√3/2
If cos-1 x + cos-1 y = π what is the value of sin-1x + sin-1y ?
π/2
π
2π
6/7
6/√13
√13/5
17/6
Sin (Sec-1 25/7) =
24/25
28/25
26/25
22/25
Sin-1 4/5 + 2 tan-1 1/3 =
π/4
The value of tan-1√3-sec-1(-2) + cosec-1(2/√3) is __________.
-π/2
