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Mathematics
Mathematics
Problem
Evaluate
sin
2
(
90
∘
−
30
∘
)
+
cos
2
(
90
∘
−
60
∘
)
+
tan
45
∘
\sin^{2}(90^\circ - 30^\circ) + \cos^{2}(90^\circ - 60^\circ) + \tan 45^\circ
sin
2
(
9
0
∘
−
3
0
∘
)
+
cos
2
(
9
0
∘
−
6
0
∘
)
+
tan
4
5
∘
.
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