Simplify
\[\sin 70^\circ \cos 50^\circ + \sin 260^\circ \cos 280^\circ.\]
Question:
Simplify
\[\sin 70^\circ \cos 50^\circ + \sin 260^\circ \cos 280^\circ.\]
Answer:
Let's think step by step.

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\frac{\sqrt{3}}{4}
Simplify
\[\sin 70^\circ \cos 50^\circ + \sin 260^\circ \cos 280^\circ.\]
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