The angle of intersection of the parabola `y^2=4\ a x` and `x^2=4a y` at the origin is `pi//6` (b) `pi//3` (c) `pi//2` (d) `pi//4`

The angle of intersection of the parabola y^2=4\ a x and x^2=4a y at the origin is (a) pi//6 (b) pi//3 (c) pi//2 (d) pi//4

The angle of intersection of the curves y=2\ sin^2x and y=cos2\ x at x=pi/6 is (a) pi//4 (b) pi//2 (c) pi//3 (d) pi//6

The angle of intersection of the curves y=2\ s in^2x and y=cos2\ x at x=pi/6 is pi//4 (b) pi//2 (c) pi//3 (d) pi//6

The angle of intersection between the curves x^(2) = 4(y +1) and x^(2) =-4 (y+1) is (a) pi/6 (b) pi/4 (c) 0 (d) pi/2

The angle between the tangents to the parabola y^2=4a x at the points where it intersects with the line x-y-a=0 is (a) pi/3 (b) pi/4 (c) pi (d) pi/2

The angle between the tangents to the parabola y^2=4a x at the points where it intersects with the line x-y-a=0 is (a) pi/3 (b) pi/4 (c) pi (d) pi/2

The acute angle between the lines joining the origin to the points of intersection of the line sqrt(3)x+y=2 and the circle is x^(2)+y^(2)=4 , is a) pi//2 b) pi//3 c) pi//4 d) pi//6

The angle subtended by the double ordinate of length 8a of the parabola y^(2)=4ax at its vertex is a) (pi)/(3) b) (pi)/(4) c) (pi)/(2) d) (pi)/(6)

The angle subtended by common tangents of two ellipses 4(x-4)^2+25 y^2=100a n d4(x+1)^2+y^2 =4 at the origin is pi/3 (b) pi/4 (c) pi/6 (d) pi/2

The angle subtended by common tangents of two ellipses 4(x-4)^2+25 y^2=100a n d4(x+1)^2+y^2=4 at the origin is (a) pi/3 (b) pi/4 (c) pi/6 (d) pi/2