Use the Quadratic Formula to find all solutions of the equation in the interval [0, 2pi). (Enter your answers as a comma-separated list. Round each answer to four decimal places.) tan2(x) + 4 tan(x) + 1 = 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 61E
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Use the Quadratic Formula to find all solutions of the equation in the interval [0, 2pi). (Enter your answers as a comma-separated list. Round each answer to four decimal places.)

tan2(x) + 4 tan(x) + 1 = 0
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