Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.2 Trigonometric Equations I - 6.2 Exercises - Page 266: 1


1) The equation is linear in form. 2) There is only one trigonometric function in the equation. 3) Therefore, we solve the equation normally.

Work Step by Step

$$2\cot x+1=-1$$ 1) Decide whether the equation is linear or quadratic in form Here we see that $\cot x$ is in first degree, so the equation is linear in form. 2) Count the number of trigonometric functions in the equation Only $\cot x$ is present, so the equation has only one trigonometric function. 3) Since the equation is linear in form and has only one trigonometric function, we solve the equation normally
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