sin
(
θ
)
=
−
1
3
\displaystyle {\sin{{\left(\theta\right)}}}=-\frac{{1}}{{3}}
sin
(
θ
)
=
−
3
1
and the terminal side of
θ
\displaystyle \theta
θ
is in quadrant IV.
cos
(
θ
)
\displaystyle {\cos{{\left(\theta\right)}}}
cos
(
θ
)
=
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