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Mathematics
Mathematics
Problem
Evaluate:
3
cos
2
60
∘
sec
2
30
∘
−
2
sin
2
30
∘
tan
2
60
∘
3\cos^2 60^\circ \sec^2 30^\circ - 2\sin^2 30^\circ \tan^2 60^\circ
3
cos
2
6
0
∘
sec
2
3
0
∘
−
2
sin
2
3
0
∘
tan
2
6
0
∘
.
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