Find the rectangular equation to r=cos(theta)?

2007-05-14 02:00:03 · 2 answers · asked by Julie B 1 in Science & Mathematics ➔ Mathematics

r = cos t
multiply by r

r^2 = r cos t

r^2 = x^2+y^2 and x = r cos t

so x^2 + y^2 = x
or x^2- x + y^2 = 0

2007-05-14 02:09:19 · answer #1 · answered by Mein Hoon Na 7 · 0⤊ 0⤋

As x= r cos t we get r^2=x so x^2+y^2-x=0

2007-05-14 02:15:51 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋

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