vera_ewing
  • vera_ewing
Math question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
vera_ewing
  • vera_ewing
vera_ewing
  • vera_ewing
@Michele_Laino Is it D?
Michele_Laino
  • Michele_Laino
your graph is the graph of this function: \[\Large f\left( x \right) = 2\cos x\]

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Michele_Laino
  • Michele_Laino
now, keep in mind that: \[\Large \begin{gathered} \sin \left( {x - \frac{\pi }{2}} \right) = \sin x\cos \left( {\frac{\pi }{2}} \right) - \cos x\sin \left( {\frac{\pi }{2}} \right) = \hfill \\ \hfill \\ = - \cos x \hfill \\ \end{gathered} \]
Michele_Laino
  • Michele_Laino
hint: \[ \Large - 2\sin \left( {x - \frac{\pi }{2}} \right) = 2\cos x\] so, what is the right option
vera_ewing
  • vera_ewing
-cos x so that means it has be to be C?
Michele_Laino
  • Michele_Laino
are you sure? Please follow my last hint
vera_ewing
  • vera_ewing
Oh B?
Michele_Laino
  • Michele_Laino
yes! That's right!
vera_ewing
  • vera_ewing
Thank you, Michele!
Michele_Laino
  • Michele_Laino
thanks!

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