What is the polar form of (-5, 13)?

Cassidy Johnson

Cassidy Johnson

Answered question

2022-02-02

What is the polar form of (-5, 13)?

Answer & Explanation

maskorfclp

maskorfclp

Beginner2022-02-03Added 12 answers

Step 1
Using the formulae that links Cartesian and Polar coordinates.
x2+y2=r2
x=rcosθ
y=rsinθ
θ=tan1(yx)
r2=(5)2+132=194r=194
θ=tan1(135)=1.2
(- 5, 13 ) is in 2nd quadrant and so θ=π1.2=1.94

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