In Exercises 2936, (a) find the critical numbers
Chapter 4, Problem 35(choose chapter or problem)
Applying the First Derivative Test In Exercises 29-36, (a) find the critical numbers of f (if any),(b) find the open interval(s) on which the function is increasing or decreasing, (c) apply the First Derivative Test to identify all relative extrema,and (d) use a graphing utility to confirm your results.
\(f(x)=\cos x-\sin x, \quad(0,2 \pi)\)
Text Transcription:
f(x)=cos x - sin x, (0, 2 pi)
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