7.3E: Unit Circle (Exercises)
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30. Find the exact value of sinπ3.
31. Find the exact value of cosπ4
32. Find the exact value of cosπ.
33. State the reference angle for 300∘.
34. State the reference angle for 3π4.
35. Compute cosine of 330∘.
36. Compute sine of 5π4.
37. State the domain of the sine and cosine functions.
38. State the range of the sine and cosine functions.