If B be the exterior angle of a regular polygon of n - sides and A is any constant then `cos A + cos(A+ B)+cos(A+2B)....n` terms is equal to

Each exterior angle of regular polyon of n side is equal to

The limit of the interior angle of a regular polygon of n sides as n rarroo is

If phi be the exterior angle of a regular polygon of n sides and theta is any constant, then prove that costheta+cos(theta+phi)+cos(theta+2phi)+…+to n term =0

What is the measure of an exterior angle of a regular polygon of 10 sides?

If phi is the exterior angle of a regular polygon of n sides and theta is any constant then prove that sin theta+sin(theta+phi)+sin(theta+2 phi)+... upto n terms =0

Find each interior and exterior angle of a regular polygon having 30 sides.

The measure of each exterior angle of a regular polygon of 18 sides is __________.