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r=sqrt(x2+y2) and θ=arctan(y/x) are useful formulae here.

if x=5 and y=-12, r=13 and θ=arctan(-12/5)=-1.18

rectangular: (5,-12) ; polar: (13,-1.18)

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Q: Convert the rectangular coordinates 5 and -12 to polar coordinates Round all answers to two decimal places?
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