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Mathematics
Mathematics
Problem
Calculate the value of
sin
2
30
∘
+
cos
2
60
∘
tan
45
∘
\displaystyle \frac{\sin^{2} 30^\circ + \cos^{2} 60^\circ}{\tan 45^\circ}
tan
4
5
∘
sin
2
3
0
∘
+
cos
2
6
0
∘
.
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