√3tan (2x+10)=-1 ,0<×<360
Matematika
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√3tan (2x+10)=-1 ,0<×<360
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1. Jawaban guiwico
√3 tan(2x+10)=-1
tan(2x+10)=-1/3 √3
2x+10=150
2x = 140
x = 140/2 = 70
tan(2x+10)=-1/3 √3
2x+10=330
2x = 320
x = 320/2 = 160