Show that the equation has exactly one real root. 3x + cos(x) = 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 44E
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Show that the equation has exactly one real root.
3x +
cos(x) = 0
%3D
Transcribed Image Text:Show that the equation has exactly one real root. 3x + cos(x) = 0 %3D
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