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Mathematics
Mathematics
Problem
Find the exact value of
sin
35
∘
cos
55
∘
+
cos
35
∘
sin
55
∘
\sin 35^{\circ}\cos 55^{\circ}+\cos 35^{\circ}\sin 55^{\circ}
sin
3
5
∘
cos
5
5
∘
+
cos
3
5
∘
sin
5
5
∘
.
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