What is the largest solution, correct to the nearest degree, for 3cos2x + 4cosx - 4 = 0 in the domain 0 ≤ x < 360°

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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What is the largest solution, correct to the nearest degree, for 3cos2x + 4cosx - 4 = 0 in the domain 0 ≤ x < 360°?

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