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 `pi/3` (b) `pi/4` (c) `pi` (d) `pi/2`

The angle between tangents to the parabola y^(2)=4ax at the points where it intersects with teine x-y-a=0 is (a>0)

Angle between tangents drawn to x^(2) +y^(2) -2x -4y +1=0 at the point where it is cut by the line, y =2x +c , is (pi)/(2) , then :

The acute angle between two straight lines passing through the point M(-6,-8) and the points in which the line segment 2x+y+10=0 enclosed between the co-ordinate axes is divided in the ratio 1:2:2 in the direction from the point of its intersection with the x-axis to the point of intersection with the y-axis is: pi/3 (b) pi/4 (c) pi/6 (d) pi/(12)

The angle between the tangents to the curve y=x^(2)-5x+6 at the point (2,0) and (3,0) is (pi)/(2) (b) (pi)/(3) (c) pi (d) (pi)/(4)

Angle between the tangents to the curve y=x^(2)-5x+6 at the points (2,0) and (3,0) is : (a) (pi)/(3) (b) (pi)/(2)( c) (pi)/(6) (d) (pi)/(4)

Equation of a tangent to the curve ycotx=y^3tanx at the point where the abscissa is pi/4 is (a) 4x+2y=\ pi+2 (b) 4x-2y=pi+2 (c) x=0 (d) y=0

Find all the tangents to the curve y=cos(x+y),-2 pi<=x<=2 pi that are parallel to the line x+2y=0

The angle between the tangents drawn from the point (1,4) to the parabola y^(2)=4x is (A) (pi)/(6)(B)(pi)/(4) (C) (pi)/(3) (D) (pi)/(2)

The angle between the planes 2x-y+z=6 and x+y+2z=7 is (A) pi/4 (B) pi/6 (C) pi/3 (D) pi/2