OpenStax, Precalculus 2e §7.5 Solving Trigonometric Equations · Exercise 105 · Trigonometry · Identities
Solving Trigonometric Equations · Exercise 105
Find a solution to the word problem algebraically. Then use a calculator to verify the result. Round the answer to the nearest tenth of a degree.
A person does a handstand with her feet touching a wall and her hands 3 feet away from the wall. If the person is 5 feet tall, what angle do her feet make with the wall?
OpenStax, Precalculus 2e · §7.5 Solving Trigonometric Equations · Exercise 105
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Checked against the answer in OpenStax, Precalculus 2e.