Find the critical points of f(x) = 2 cos (3x) + 3 cos (2x) in [-3,-1]. (Give your answer in the form of a comma-separated list of values. Express numbers in exact form. Use symbolic notation and fractions where needed. Enter DNE if the function has no critical points.)
Find the critical points of f(x) = 2 cos (3x) + 3 cos (2x) in [-3,-1]. (Give your answer in the form of a comma-separated list of values. Express numbers in exact form. Use symbolic notation and fractions where needed. Enter DNE if the function has no critical points.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 74E
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![Find the critical points of f(x) = 2 cos (3x) + 3 cos (2x) in [−3,−π].
(Give your answer in the form of a comma-separated list of values. Express numbers in exact form. Use symbolic notation and
fractions where needed. Enter DNE if the function has no critical points.)
critical points:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbab4d56b-6c04-43e0-8382-7de5fdb1b396%2F4c7f0594-5bad-486e-a83b-d4cac17757c1%2F1mji2mi_processed.png&w=3840&q=75)
Transcribed Image Text:Find the critical points of f(x) = 2 cos (3x) + 3 cos (2x) in [−3,−π].
(Give your answer in the form of a comma-separated list of values. Express numbers in exact form. Use symbolic notation and
fractions where needed. Enter DNE if the function has no critical points.)
critical points:
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