Question
Find the following function values without using a calculator.$$\sin \frac{3 \pi}{2}$$
Step 1
We know that $\pi$ radians is equal to 180 degrees. Therefore, $\frac{3 \pi}{2}$ radians is equal to $\frac{3 \times 180}{2}$ degrees, which simplifies to 270 degrees. Show more…
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