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January 26, 2015

January 26, 2015

Posted by **Kate** on Thursday, May 16, 2013 at 1:38pm.

b. (0,3)

I figured out a, but I canNOT figure out b. Can someone please explain? :)I need to know how to do this for my final next week.

- TRIGONOMETRY -
**Steve**, Thursday, May 16, 2013 at 2:35pmas usual,

r^2 = x^2+y^2

r%2 = 9

r=3

y/r = sinθ

3/3 = sinθ

θ = π/2

so, we get (3,π/2)

- TRIGONOMETRY -
**Kate**, Thursday, May 16, 2013 at 4:34pmy/r!! That makes much more sense! Someone else had told me y/x, so that's why it didn't work. Thanks!

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