Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Question
Find critical numbers and verify all relative extrema for the following function on the
interval (0, 2pi). Make a table of your analysis including Test Intervals and Test
Points:
f(x) = sin x
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Transcribed Image Text:Find critical numbers and verify all relative extrema for the following function on the interval (0, 2pi). Make a table of your analysis including Test Intervals and Test Points: f(x) = sin x
Expert Solution
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Step 1

To find the critical number, take the derivative of the given function and set to 0.

The derivative of the function is:

f'x=cosx

For critical values,

cosx=0

The values of x, for which cosx=0 gives:

x=π2,3π2

 

 

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