P(1, 0) corresponds to
(
,
) on the sine graph.

P(0, 1) corresponds to
(
,
) on the sine graph.

P(−1, 0) corresponds to
(
,
) on the sine graph.

P(0, −1) corresponds to
(
,
) on the sine graph.

P(0.0, 0.0)θ = 0°P(0, 0.0)
180
360
1
1
y = sin θ