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Mathematics
Problem
Simplify
sin
2
45
∘
+
cos
2
45
∘
+
tan
30
∘
\sin^2 45^\circ + \cos^2 45^\circ + \tan 30^\circ
sin
2
4
5
∘
+
cos
2
4
5
∘
+
tan
3
0
∘
. a)
2
+
1
3
\sqrt2+\dfrac{1}{\sqrt3}
2
+
3
1
b)
1
+
1
3
1 + \dfrac{1}{\sqrt3}
1
+
3
1
c)
1
+
3
1+\sqrt3
1
+
3
d)
1
+
1
2
1+\dfrac12
1
+
2
1
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