Solve the equation: 2 cos² (x) + cos(x) - 1 = 0. Give your answers in radians. (Give your answer in the form of a comma-separated list if needed. Express numbers in exact form. Use symbolic notation and fractions where needed. Use k to represent any integer.) X =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 31E
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Solve the equation: 2 cos² (x) + cos(x) - 1 = 0. Give your answers in radians.
(Give your answer in the form of a comma-separated list if needed. Express numbers in exact form. Use symbolic notation and
fractions where needed. Use k to represent any integer.)
x =
Transcribed Image Text:Solve the equation: 2 cos² (x) + cos(x) - 1 = 0. Give your answers in radians. (Give your answer in the form of a comma-separated list if needed. Express numbers in exact form. Use symbolic notation and fractions where needed. Use k to represent any integer.) x =
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