None of these
x/2
2x
3x
x
The value of cos -1 ( cos 5π/3 ) + sin -1 ( sin 5π/3 )
π/2
5π/3
10π/3
0
-1
1
Cos (tan-1x) =
-1/√(1 + x2)
1/√(1 + x2)
1/√(1 - x2)
-1/√(1 - x2)
-π
π
-π/2
The value of cot-1(-√3) is
π/6
-π/6
5π/6
-5π/6
π2
Tan ( cos -1 x ) is equal to ___________.
If u = xy, then ∂u/∂x =
yxy-1
u log x
u log y
xyx-1
