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Fundamental Theorem and Maxima

  • Thread starter flyingpig
  • Start date
  • #1
2,571
1

Homework Statement




[tex]Si(x) = \int_{0}^{x}{\frac{sin(t)}{t} dt[/tex]

At what values of x does this function have a local maximum?
2.Solutions

[PLAIN]http://img833.imageshack.us/img833/701/27444263.png [Broken]

The Attempt at a Solution



So I took the derivative and applying FTC and I got sin(x)/x = 0

sin(x) = 0

[tex]x=n\pi[/tex]

Then I drew a number line and I got lost. I looked at the solutions and I was even more lost. This is due tomorrow please help
 
Last edited by a moderator:

Answers and Replies

  • #2
2,571
1
PF is confused too huh? lol
 

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