The angle between the curve `x^2/10+y^2/1=1` and `x^2/6+y^2/(-1)=1` is

Angle between the curve x^2/a^2+y^2/b^2=1 and x^2+y^2=ab,a gt b .

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

The angle between the curve x^(2) - y^(2) = 8 and (x^(2))/(25) + (y^(2))/(9)=1 is

If sin^(-1) a is the acture angle between the curves x^(2) + y^(2) =4x and x^(2) + y^(2) = 8 at (2,2), then a=

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

The angle between the curves x^2=4y,x^2+y^2=5 at (-2, 1) is

The angle between the curves y=x, y=1//x at (1, 1) is