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February 27, 2015

February 27, 2015

Posted by **Natasha** on Wednesday, March 7, 2012 at 1:04am.

- math -
**drwls**, Wednesday, March 7, 2012 at 1:25amLet x = tanθ

You have a quadratic equation in x

2x^2 -x -3 = 0

(2x -3)(x+1) = 0

x = tanθ = -1 or 3/2

θ = 135 degrees or 56.3099 degrees

The latter angle is 56 degrees 19 minutes

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