Sin-1 4/5 + 2 tan-1 1/3 =
π/3
π/4
π/2
0
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
The value of sin-1 1/2 is
-π/6
π/6
-π/3
1/x+ 1/y+1/z
xyz
xy+yz+zx
None of these
If cos-1 x + cos-1 y = π what is the value of sin-1x + sin-1y ?
π
2π
tan-1√3 - cot-1 (-√3) is equal to
-π/2
2√3
If sin-1 (1-x)+ 2 sin-1 x = π/2, then x equals
{0,-1/2}
{1/2,0}
{0}
{-1,0}
-3π/4
The value of tan-1√3-sec-1(-2) + cosec-1(2/√3) is __________.
1
