I'm looking to find the trig polar form of -4+4i

I came up with 4 times the sq root of 2 times (cos 7pi/4 + i sin 7pi/4)

am I close or way off? Thanks in advance for the help!

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- February 8th 2010, 10:36 AM #1

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- February 8th 2010, 10:40 AM #2

- February 8th 2010, 10:43 AM #3

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Think Quadrant!!

Negative x and positive y give what quadrant?

7pi/4 gives what quadrant?

Develop thought processes that help you be SURE. Guess is never good. Please don't try guessing when filing your taxes.