Question 218330
a  rough  sketch  helps.   Terminus  is  in quadrant  2 at  (-3,2)
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with  x =-3,,and  y=2, Hyp = sqrt(-3^2+2^2) = 3.6055
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ref  angle  is  tan^-1=2/3,,,,,theta  = 33.69 degrees,,,,180-33.69 = 146.31 degrees,,,answer
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sin  33.69 = .5547,,,,,sin 146.31 = .5547
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check,,,sin  theta  = 2/3.6055=.5547,,,ok
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theta  = 33.69  and  base  angle  is  146.31 degrees
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