(a) Find the intervals on which f is increasing or decreasing.(b) Find the local maximum and minimum values of  f .(c) Find the intervals of concavity and the inflection points.   f(x)  = cos2 x - 2 Sinx         0 ≤x ≤ 2π

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 49E
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(a) Find the intervals on which f is increasing or decreasing.
(b) Find the local maximum and minimum values of  f .
(c) Find the intervals of concavity and the inflection points.

 

f(x)  = cos2 x - 2 Sinx         0 ≤x ≤ 2π

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