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Mathematics
Mathematics
Problem
An angle
θ
\theta
θ
measures
11
π
3
\dfrac{11\pi}{3}
3
11
π
radians. Determine
cos
θ
\cos \theta
cos
θ
. a)
3
2
\dfrac{\sqrt{3}}{2}
2
3
b)
−
1
2
-\dfrac{1}{2}
−
2
1
c)
1
2
\dfrac{1}{2}
2
1
d)
−
3
2
-\dfrac{\sqrt{3}}{2}
−
2
3
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