Polar coordinates of a point are given. Find the rectangular coordinates of the point. (-5, -180°)

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asked Jul 3, 2019 166k views

1 Answer

PS Kumar · Answer 1 · 2019-07-08T02:55:34+0000

Polar coordinates : r= - 5, α= - 180⁰.
Rectangular coordinates :
x=r*cosα = (-5)*cos (-180⁰)=(-5)*(-1)=5
y=r*sinα = (-5)*sin(-180⁰)=(-5)*0=0

So, (-5, -180°) (polar coordinates) is the same as (5,0) (rectangular coordinates).

Polar coordinates of a point are given. Find the rectangular coordinates of the point. (-5, -180°)

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