Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.4 Equations Involving Inverse Trigonometric Functions - 6.4 Exercises - Page 288: 54c(ii)


$\theta = 0.61~radians$

Work Step by Step

$\theta = tan^{-1}(\frac{4}{x})-tan^{-1}(\frac{1}{x})$ We can find $\theta$ when $x = 3$: $\theta = tan^{-1}(\frac{4}{3})-tan^{-1}(\frac{1}{3})$ $\theta = 0.9273-0.3218$ $\theta = 0.61~radians$
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