Polar coordinates of a point are given (4, 90^circ). Find the rectangular coordinates of each point.

sagnuhh 2021-03-01 Answered
Polar coordinates of a point are given (4,90). Find the rectangular coordinates of each point.
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tabuordg
Answered 2021-03-02 Author has 99 answers
Given polar coordinates,
(4,90)
To find the rectangular coordinates of the point.
We have,
(r,θ)=(4,90)
Conversion formula :
If (r,θ)are polar coordinates and (x, y) are rectangular coordinates,
Then x=rcosθ,y=rsinθ
x=4cos(90)=0
y=4sin(90)=4(1)=4
So the rectangular coordinates is (0, 4)
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