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5.1 Exercise 91

Avg difficulty 2.5

A city is located at 40 degrees north latitude. Assume the radius of the earth is 3960 miles and the earth rotates once every 24 hours. Find the linear speed of a person who resides in this city. Refer to Unit Circle: Sine and Cosine Functions for information on trigonometric functions.

OpenStax Precalculus 2e, 5.1 Angles, exercise 91

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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.