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Mathematics
Mathematics
Problem
Find the exact value of
sin
2
15
∘
\sin^{2}15^{\circ}
sin
2
1
5
∘
. a)
2
+
3
4
\dfrac{2+\sqrt3}{4}
4
2
+
3
b)
2
−
3
4
\dfrac{2-\sqrt3}{4}
4
2
−
3
c)
6
−
2
4
\dfrac{\sqrt6-\sqrt2}{4}
4
6
−
2
d)
3
−
3
6
\dfrac{3-\sqrt3}{6}
6
3
−
3
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