Posted by Abbey(Please help) on Sunday, May 2, 2010 at 5:32pm.
tanØ = y/x = -3/-3 = 1
Ø = π/4
x = rcosØ = (1/√2)r
-3 = (1/√2)r
r = -3√2
one is (-3√2,π/4)
I will let you find the other
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