tan -1 x > cot -1 x holds for :
x > 1
x < 1
x = 1
All values of x
is equal to ______.
1
-1
0
None of these
Let f ( x ) = cot -1x + cosec -1 x. Then f ( x ) is real.
x [ -1,1 ]
x ( - α, - 1 ] U [ 1, α)
x ( - ∞,α )
If , then x is ______.
a/2
a3
a2-a +1
a2 + a -1
If sin ( sin -1 1/5 + cos -1 x ) = 1 then x is equal to __________.
4/5
1/5
Solution of the equation tan-1 2x + tan-1 3x = nπ + 3π/7 is
x=1, -1/6
x = 1/6
x = - 1/6
1/x+ 1/y+1/z
xyz
xy+yz+zx
Sin 2α
Sin α
Cos 2α
Cosα
sin-1(sin5π/6)=_____________
5π/6
2π/6
3π/6
π/6