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Mathematics
Mathematics
Problem
Find the value of
cos
60
∘
\cos 60^\circ
cos
6
0
∘
. a)
2
2
\dfrac{\sqrt2}{2}
2
2
b)
1
1
1
c)
1
2
\dfrac{1}{2}
2
1
d)
3
2
\dfrac{\sqrt3}{2}
2
3
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