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Tanx = -(3^1/2) /3
0
Himp x =
150 derajat, 330 derajat
5phi/6, 11phi/6 (D)
3 tan x= - akar(3)
Tan x = - akar(3) / 3
BERARTI DI KUADRAN 2 & 4
X= 5phi /6
X= 11 phi/6 D
2)
Sin x= -1/2
BERARTI DI KUADRAN 3&4
X= 210*
X= 330*