angelgodinez826
angelgodinez826 angelgodinez826
  • 01-11-2020
  • Mathematics
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Please help with this AP Calculus question!

Please help with this AP Calculus question class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 01-11-2020

9514 1404 393

Answer:

  B.  -1

Step-by-step explanation:

A graph can show you that the expression approaches -1 as x approaches 2π.

The limit is -1.

__

The expression evaluated at x=2π is 0/0, an indeterminate form. This suggests that L'Hopital's rule is applicable. Applying that, we have ...

  lim = (f'(2π) -f'(x))/(x-2π)' = -cos(x)/1

Evaluated at x=2π, this is ...

  lim = -1

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