Question

find the radius of curvature of the curve r^2=a^2sin2°​

Answer 1

What is the radius of the polar curve

r2=a2cos2θ

at any point (r, θ) using the expression of the radius of curvature of polar curves i.e.

R=(r2+r21)3/2r2+2r21−rr2

Answer 2

hlo buddy

I hope you have understand