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Mathematics
Problem
Calculate the value of
sin
2
30
∘
+
cos
2
60
∘
tan
45
∘
\dfrac{\sin^{2}30^\circ+\cos^{2}60^\circ}{\tan45^\circ}
tan
4
5
∘
sin
2
3
0
∘
+
cos
2
6
0
∘
. a)
3
2
\dfrac{\sqrt3}{2}
2
3
b)
3
4
\dfrac34
4
3
c)
1
2
\dfrac12
2
1
d)
1
1
1
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