Question

Given the rectangular coordinates (-8,15), which of the following polar coordinate pairs represents the same point in radians?

a(17,2.65)
b(-17,-1.08)
c(12.7,2.65)
d(-12.7,-0.49)

Answer 1

1. (x,y)=

2. (3, 480°), (3,-240°), (-3, -60°)

3. (-17, -1.08)

4. on the second circle from the center and 153° clockwise from the horizontal axis

Explanation:

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