Back to 5.4 Right Triangle Trigonometry

5.4 Exercise 83

Avg difficulty 2.5

Draw the angle provided in standard position on the Cartesian plane.

Find the linear speed of a point on the equator of the earth if the earth has a radius of 3,960 miles and the earth rotates on its axis every 24 hours. Express answer in miles per hour.

OpenStax Precalculus 2e, 5.4 Right Triangle Trigonometry, exercise 83

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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.