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tan(150) = -tan(30) since it has a 30 degree reference angle in quadrant II
tan(150) + tan(60) = -sqrt(3)/3 + sqrt(3) = 2sqrt(3)/3
(2/3)sqrt3
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tan(150) = -tan(30) since it has a 30 degree reference angle in quadrant II
tan(150) + tan(60) = -sqrt(3)/3 + sqrt(3) = 2sqrt(3)/3
tan(150) + tan(60) = -sqrt(3)/3 + sqrt(3) = 2sqrt(3)/3
(2/3)sqrt3