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maka sisi siku 1 dam √3 sisi miring 2
2 six = -√3 atau sin x= -1/2√3 ..... sudut 60,,,
tapi karena negatif maka sudut x= di kuadran 3 dan 4
x= 180+60
x= 360-60=300
tanx=1/3√3 .... sudut x= 30
karena positi di kuadran 1 dan 4 ... x=30 dan x=360-30=330