(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)  = sinx + cos x         0 ≤x ≤ 2π

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 15T
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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)  = sinx + cos x         0 ≤x ≤ 2π

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