If
sin
(
θ
)
=
65
9
\displaystyle {\sin{{\left(\theta\right)}}}=\frac{{\sqrt{{{65}}}}}{{9}}
sin
(
θ
)
=
9
65
and
θ
\displaystyle \theta
θ
is in the 2nd quadrant, find the exact value of
cos
(
θ
)
\displaystyle {\cos{{\left(\theta\right)}}}
cos
(
θ
)
cos
(
θ
)
\displaystyle {\cos{{\left(\theta\right)}}}
cos
(
θ
)
=
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
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