the angle between the tangents drawn from the point (-a,2a) to y^2=4ax is :

1) pi/4

b)pi/2

c)pi/3

d)pi/6

Please find the answer in given photo

Please find this answer

If u carefully see, the point lies on the directrix of the page..and we know that the angle between tangents drawn from directrix is always 90 degrees..hence the answer is pi/2

Well this is not wrong i think