7.3E: Unit Circle (Exercises)

Algebra and Trigonometry · LibreTexts

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    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.

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