How do you convert #r^2 = cost# into a rectangular equation?
1 Answer
Feb 29, 2016
( x^2 + y^2 )^3 = x^2, x is non-negative.
Explanation:
Here, cost is non-negative. So is x = r cos t.
r^2 = x^2 + y^2.
The graph for r^2 = cos t is symmetrical about t = 0 ( y= 0).
The whole curve is bounded by the the rectangle x = 0 and x = 1, y = 1 and y =