Find the root of 1+ tanh x - 2 tan x = 0.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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Solve only 18
In Exercises 13 through 18 use Newton's method to find the
required root.
13. Find 231/3 by solving for the zero of f(x) = 23 – x'.
14. Find the smallest positive root of tan x+2 tanh x = 0.
15. Find the largest root of x - 4x + x2 + 1.2 = 0.
16. Find the smallest root of x - 3x +2x2 – 3x – 1.6 = 0.
17. Find the root of 3x - e-*
0.
%3D
18. Find the root of 1+ tanh x – 2 tanx = 0.
-
Transcribed Image Text:In Exercises 13 through 18 use Newton's method to find the required root. 13. Find 231/3 by solving for the zero of f(x) = 23 – x'. 14. Find the smallest positive root of tan x+2 tanh x = 0. 15. Find the largest root of x - 4x + x2 + 1.2 = 0. 16. Find the smallest root of x - 3x +2x2 – 3x – 1.6 = 0. 17. Find the root of 3x - e-* 0. %3D 18. Find the root of 1+ tanh x – 2 tanx = 0. -
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