Back to 7.3 Unit Circle

7.3 Exercise 49

Avg difficulty 2.5

Find the reference angle, the quadrant of the terminal side, and the sine and cosine of each angle. If the angle is not one of the angles on the unit circle, use a calculator and round to three decimal places.

300° 300°

OpenStax Algebra and Trigonometry 2e, 7.3 Unit Circle, exercise 49

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.