2 cos alpha = - (sqrt(3))/2; tan alpha = - (sqrt(3 - Dicamon

Question

2 cos alpha = - (sqrt(3))/2; tan alpha = - (sqrt(3))/3 b sin alpha = (sqrt(5))/2 3 ) tan B = - tan(t + c) า 2 こ

Answer

c ?; cos alpha = (- sqrt(3))/2; ( Rightarrow cos alpha=cos 150^ b tan alpha = (- sqrt(3))/3; sm*alpha = (sqrt(3))/2 150 = alpha=150^; - alpha = 60 deg; v ^ 412 =

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