The equation that represents the rectangular form of r = 8 is x² + y² = 64
What is rectangular form?
Rectangular form, is where a complex number is denoted by its respective horizontal and vertical components.
According to the given problem,
x=rcosθ
y=rsinθ
substituting we have
x=8cosθ
y=8sinθ
Squaring and adding we obtain the
circle's origin centered equation,
x² + y² = 64
Hence, we can conclude, the equation x² + y² = 64, represents the rectangular form of r = 8.
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