Homework Help: Geometry&trigonometry

Posted by Pauline on Wednesday, October 24, 2007 at 5:55am.

consider the polar graph Їц =(2/3)Іа. (Іа=pie)

find the value of N such that r=NЇц, where 0Ём Їц ЁмNІа has

a)no solution
b)one solution
c)two solution

i think i have figured the first question out.since it's no solution then N must be N<(2/3) because the equation is Їц =(2/3)Іа.

but i have no idea how to solve the following two questions!! can someone please help me with this ??

thanks!

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