If the angle of the elevation of sun is θ and the length of the shadow of a pole of length P is S, then 

The ratio of the volume of right circular cylinder and a right circular cone of the same base and height will be:

Find the area of the shaded region if the radius of each of the circle is 1 cm.

θ is equal to:-

is equal to-

If 4tanθ=3,the  value of θθθθ is:-

If then the value of y is

In a ∆ABC ∠A : ∠B : ∠C  = 2 : 3 : 4 . A line CD drawn || to AB, then the ∠ACD is: