Question
In Exercises $7-20,$ find the exact value of each of the given expressions.$$\cos \frac{\pi}{3} \sin \frac{\pi}{2}-\sin \frac{\pi}{3} \cos \frac{\pi}{2}$$
Step 1
Step 1: We know that $\cos \frac{\pi}{3} = \frac{1}{2}$ and $\sin \frac{\pi}{2} = 1$. Show more…
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