AIR MATH

Math Question

\[
\cos \left(\frac{5 \pi}{3}\right)=
\]
A. \( \frac{\sqrt{2}}{2} \)
B. \( \frac{1}{2} \)
C. \( \frac{\sqrt{3}}{2} \)
D. \( -\frac{\sqrt{2}}{2} \)

Solution

solution

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