Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 7 - Section 7.4 - Basic Trigonometric Equations - 7.4 Exercises - Page 568: 1


infinitely many

Work Step by Step

Because the trigonometric functions are periodic, if a basic trigonometric equation has one solution, it has infinitely many solutions. (If $x=a$ is one solution, and the period is $b$, then $x=a+kb$ is a solution for all integers $k$.)
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