StudyGurl14
  • StudyGurl14
PLEASE HELP! @Hero @ganeshie8 @amistre64
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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StudyGurl14
  • StudyGurl14
I already found teh critical points, but now I don't know what to do
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tkhunny
  • tkhunny
Seems you should find a couple of derivatives. Go!
StudyGurl14
  • StudyGurl14
?

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tkhunny
  • tkhunny
Analytical methods to find extreme values. Sounds like derivatives to me.
StudyGurl14
  • StudyGurl14
Yes, I know. Can you help?
tkhunny
  • tkhunny
Sure. What's the 1st derivative? If you don't like sec(x), try 1/cos(x).
StudyGurl14
  • StudyGurl14
the first derivative is secx tanx
StudyGurl14
  • StudyGurl14
But anyway, I already found critical points at (0,1) and (pi/ -1) What do I do after that?
StudyGurl14
  • StudyGurl14
EDIT: (pi, - 1)
StudyGurl14
  • StudyGurl14
uh @tkhunny ?
StudyGurl14
  • StudyGurl14
@freckles @amistre64
tkhunny
  • tkhunny
What are those critical points? Minimum? Maximum? Global? Local? None of the above?
tkhunny
  • tkhunny
It is hoped that we know up front that the secant blows up at \(\pi/2\).
tkhunny
  • tkhunny
Shall we do the 2nd derivative or are we done?
StudyGurl14
  • StudyGurl14
That's what I don't know how to find out. (min, max, global, local, etc.)
zzr0ck3r
  • zzr0ck3r
suppose a and b are critical points with a

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