Solve the equation on the interval L0,2T). cos4x = - %3D 2 cosx t cos X = I 2 cos?x -sin x -1=0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 57E
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Solve the
equation
on the interval c0,2T).
cos4x =
2 cos2 x + coS X= 1
X+COS X=
2 cos?x-sin x -1 = 0
4cos?x-13=O
2.
Transcribed Image Text:Solve the equation on the interval c0,2T). cos4x = 2 cos2 x + coS X= 1 X+COS X= 2 cos?x-sin x -1 = 0 4cos?x-13=O 2.
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