Equation x-x1/cosθ = y-y1/sinθ = r, may represents

Last updated: 7/21/2022

Equation x-x1/cosθ = y-y1/sinθ = r, may represents - (A) Equation of straight line, ife is constant and r is variable. (B) Equation of a circle, if r is constant & is variable. (C) A straight line passing through a fixed point & having a known slope (D) A circle with a known centre and given radius.