9. Find the minimum value of 3 cos²x-8 (a) 2 (b) -3 (c) -5 (d) -8

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 14E
icon
Related questions
Question

Pls help ASAP, and pls show all work and steps and circle the final answer. 

9. Find the minimum value of 3 cos²x-8
(a) 2
(b) -3
(c) -5
(d) -8
Transcribed Image Text:9. Find the minimum value of 3 cos²x-8 (a) 2 (b) -3 (c) -5 (d) -8
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage