Posted by Gigi on Sunday, July 22, 2012 at 10:43pm.
convert from polar form into rectangular form. type the equation in rectangular form (simplified):
1) rsecθ = 3
2) r=5/cosθ2sinθ
3) r=5cscθ

math  Reiny, Sunday, July 22, 2012 at 11:26pm
we know r^2 = x^2 + y^2 and x/r =cosØ, y/r = sinØ
given:
rsecØ = 3
r = 3/secØ
r = 3cosØ
r = 3(x/r)
r^2 = 3x
x^2 + y^2 = 3x , rewrite it any way you want.
the last one is done the same way
2nd :
I will assume you r = 5/(cosØ2sinØ
r = 5/(x/r  2y/r)
r = 5/((x2y)/r)
r = 5 * r/(x  2y)
1 = 5/(x2y)
x2y = 5

math  topology, Thursday, October 4, 2012 at 3:10am
5. Find the Cartesian form of the equation, r3 = 3r cosØ.
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