The angle
θ
1
θ
1
​
theta, start subscript, 1, end subscript is located in Quadrant
II
IIstart text, I, I, end text, and
sin
⁡
(
θ
1
)
=
9
41
sin(θ
1
​
)=
41
9
​
sine, left parenthesis, theta, start subscript, 1, end subscript, right parenthesis, equals, start fraction, 9, divided by, 41, end fraction .
What is the value of
cos
⁡
(
θ
1
)
cos(θ
1
​
)cosine, left parenthesis, theta, start subscript, 1, end subscript, right parenthesis?
Express your answer exactly.
cos
⁡
(
θ
1
)
=
cos(θ
1
​
)=