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Mathematics
Mathematics
Problem
Find the value of
sin
75
∘
−
sin
15
∘
\sin 75^\circ-\sin 15^\circ
sin
7
5
∘
−
sin
1
5
∘
. a)
1
2
\dfrac{1}{2}
2
1
b)
2
2
\dfrac{\sqrt{2}}{2}
2
2
c)
3
2
\dfrac{\sqrt{3}}{2}
2
3
d)
2
4
\dfrac{\sqrt{2}}{4}
4
2
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