" The angle between the curves "y^(2)=x" and "x^(2)=y" at "(1,1)" is "

The acute angle between the curve y^2=x and x^2=y at (1,1) is

The angle between the curves y=x^2 and y=4-x^2 is

The angle between the curves y=x^2 and y=4-x^2 is

The acute angle between the curve y^2=x and x^2=y at (1,1) is a) tan^-1(4/5) b) tan^-1(3/4) c) tan^-1(1) d) tan^-1(4/3)

The area between the curves x=1-y^(2) and x=y^(2)-1 is

The angle between the curves x^(2)+4y^(2)=32 and x^(2)-y^(2)=12, is

The angle between the curves x^(2)+4y^(2)=32 and x^(2)-y^(2)=12, is

The angle between the curves x^(2)+4y^(2)=32 and x^(2)-y^(2)=12, is

The angle between the curves y^2=4x and x^2=2y-3 at the point (1, 2) is

If a is the angle between the curves y^(2)=2x and x^(2)+y^(2)=8 then Tan a is