7-cos4x > -2 cos c. 2

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.3: Solving Trigonometric Equations
Problem 9ECP: Solve 4tan2x+5tanx6=0.
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Solve the inequality and find all solutions on [0; 2pi)

7-cos4x
>
-2 cos r.
2
Transcribed Image Text:7-cos4x > -2 cos r. 2
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