# Calculus 2

posted by
**Mike**
.

Write in cartesian form:

r=3tan(theta)sec(theta)

im working with this function here, trying to get an rcos(theta) and/or rsin(theta)

so far, i am stumped.

what i have so far:

r^2=3r(tan(theta)sec(theta))

(x^2+y^2)=?????