Question

The distance between the two points $(a\cos \theta ,0),(0,a\sin \theta )$ is ______.

Answer 1

Distance between given points will be $d=\sqrt{(a\cos \theta -0{)}^2+(0-a\sin \theta {)}^2}d=a\left(\sqrt{{\cos }^2\theta +{\sin }^2\theta }\right)d=a$