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Mathematics
Mathematics
Problem
Compute
tan
75
∘
tan
15
∘
\tan75^{\circ}\,\tan15^{\circ}
tan
7
5
∘
tan
1
5
∘
. a)
4
4
4
b)
1
1
1
c)
2
+
3
2+\sqrt3
2
+
3
d)
4
−
3
4-\sqrt3
4
−
3
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