7.3E: Unit Circle (Exercises)
30. Find the exact value of \(\sin \frac{\pi}{3}\).
31. Find the exact value of \(\cos \frac{\pi}{4}\)
32. Find the exact value of \(\cos \pi\).
33. State the reference angle for \(300^{\circ}\).
34. State the reference angle for \(\frac{3 \pi}{4}\).
35. Compute cosine of \(330^{\circ}\).
36. Compute sine of \(\frac{5 \pi}{4}\).
37. State the domain of the sine and cosine functions.
38. State the range of the sine and cosine functions.