Question

How do you convert r=8 cos(θ) into cartesian form?

Answer 1

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Answer 2

As relation between Cartesian coordinates (x,y) and polar coordinates (r,θ) is given by x=rcosθ and y=rsinθ i.e. r2=x2+y2 .
As r=8cosθ can be written as.
r×r=8rcosθ or.
r2=8rcosθ or.
x2+y2=8x.
Jul 13, 2016