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ditanya : koodinat kartesius?
jawab :
x = r cos
x =
x =
x = )
x = )
x = - 6
y = r sin
y =
y =
y = )
y = )
y =
jadi , koodinat kartesiusnya ( -6 , )
koordinat kartesius:
x = r cos(α)
x = 4√3 cos(300°)
x = 4√3 1/2
x = (4√3) / 2
x = 2√3
y = r sin(α)
y = 4√3 sin(300°)
y = 4√3 (-√3/2)
y = -(4 * 3) / 2
y = -12 / 2
y = -6
Koordinat kartesiusnya: {2√3 , -6}