The polar coordinates of a point are given. Find the rectangular coordinates of the point.
-(400, 130°) Round the rectangular coordinates to two decimal places.
A) (306.42, -257.12)
B) (-257.12, -306.42)
C) (-257.12, 306.42)
D) (306.42, 257.12)

Question

Quizplus · Accepted Answer

To convert from polar to rectangular coordinates, use the formulas x = r * cos(θ) and y = r * sin(θ). For (400, 130°), x = 400 * cos(130°) ≈ -257.12 and y = 400 * sin(130°) ≈ 306.42.

The Polar Coordinates of a Point Are Given