Question

Find all point of intersection of
r=sin2q and r=sinq

Answer 1

@nijokm
We have
\[r= \sin 2q\]
and
\[r =\sin q\]
Equate the two to find the intersection points
\[\sin 2q=\sin q\]
\[\sin 2q-\sin q=0\]
Now what's sin 2q in terms of sin q?

Answer 2

@njiokm !!