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