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Mathematics
Mathematics
Problem
Determine the coordinates of the point on the unit circle that corresponds to
θ
=
240
∘
θ = 240^{\circ}
θ
=
24
0
∘
. a)
(
−
1
2
,
3
2
)
\left(-\dfrac{1}{2},\; \dfrac{\sqrt3}{2}\right)
(
−
2
1
,
2
3
)
b)
(
−
3
2
,
−
1
2
)
\left(-\dfrac{\sqrt3}{2},\; -\dfrac{1}{2}\right)
(
−
2
3
,
−
2
1
)
c)
(
−
1
2
,
−
3
2
)
\left(-\dfrac{1}{2},\; -\dfrac{\sqrt3}{2}\right)
(
−
2
1
,
−
2
3
)
d)
(
1
2
,
−
3
2
)
\left(\dfrac{1}{2},\; -\dfrac{\sqrt3}{2}\right)
(
2
1
,
−
2
3
)
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