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johnnyalln Group Title

What is the minimum value of the function: \[y=3\cos 2Pix\]

  • one year ago
  • one year ago

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  1. satellite73 Group Title
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    minimum value of cosine is -1 minimum value of 3 times cosine is -3

    • one year ago
  2. johnnyalln Group Title
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    @satellite73 @Hero

    • one year ago
  3. johnnyalln Group Title
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    got ya, so if the problem did not have a 3, it would be -1? But since it is a 3 there, it is -3?

    • one year ago
  4. satellite73 Group Title
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    yes

    • one year ago
  5. johnnyalln Group Title
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    got it. thanks!

    • one year ago
  6. satellite73 Group Title
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    yw

    • one year ago
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