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February 28, 2015

February 28, 2015

Posted by **John** on Wednesday, December 14, 2011 at 7:30pm.

- trig -
**Steve**, Wednesday, December 14, 2011 at 11:27pmconvert the first from rectangular to polar coordinates:

r^2 = 1.7^2 + 9.8^2 = 98.93

r = 9.95

tanθ = 9.8/1.7

θ = 80.16°

so, the angle between the vectors is 80.16 - 10 = 70.16°

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