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January 28, 2015

January 28, 2015

Posted by **tony** on Monday, June 17, 2013 at 12:58am.

tan α = -1.85

- trig -
**Steve**, Monday, June 17, 2013 at 4:34amarctan(1.85) = 61.6°

tan(x) < 0 in QII, QIV, so

x = (180-61.6) = 118.4°

x = (360-61.6) = 298.4°

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