How to find rectangular coordinates from polar coordinates?
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r2 = 122 + 52
r = √ (122 + 52)
r = √ (144 + 25)
r = √ (169) = 13
Use the Tangent Function to find the angle:
tan( θ ) = 5 / 12
θ = tan-1 ( 5 / 12 ) = 22.6° (to one decimal)
Answer: the point (12,5) is (13, 22.6°) in Polar Coordinates.
r = √ (122 + 52)
r = √ (144 + 25)
r = √ (169) = 13
Use the Tangent Function to find the angle:
tan( θ ) = 5 / 12
θ = tan-1 ( 5 / 12 ) = 22.6° (to one decimal)
Answer: the point (12,5) is (13, 22.6°) in Polar Coordinates.
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