How do you convert $(0, - 3)$ into polar form?

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Answer 1 · 2018-07-09T06:49:08

$color(crimson)((r, theta) = (3, -pi/2)$

$(x,y) = (0, -3)$

$"Conversion from Cartesian to Polar form"$

$r = |sqrt(x^2 + y^2)| = |sqrt (0^2 + -3^2)| = 3$

$theta = arctan (y/x) = arctan (-3/0) = -90^@ " or " -pi/2$

How do you convert (0, - 3)(0, - 3) into polar form?