Math Question
![Write the expression as the sine or cosine of an angle.
\( \cos 94^{\circ} \cos 18^{\circ}+\sin 94^{\circ} \sin 18^{\circ} \)
\( [?][]^{\circ} \)
Hint: \( \sin (A \pm B)=\sin A \cos B \pm \cos A \sin B \) \( \cos (A \pm B)=\cos A \cos B \mp \sin A \sin B \)](https://d3hlidq5bf9vg0.cloudfront.net/app-server-student/2021/12/12/a47841cb-0489-49fa-8e5f-1e38355abb5a.png "Write the expression as the sine or cosine of an angle.
\( \cos 94^{\circ} \cos 18^{\circ}+\sin 94^{\circ} \sin 18^{\circ} \)
\( [?][]^{\circ} \)
Hint: \( \sin (A \pm B)=\sin A \cos B \pm \cos A \sin B \) \( \cos (A \pm B)=\cos A \cos B \mp \sin A \sin B \)")
Solution
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