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anonymous

  • one year ago

find the 57th derivative of y = cos(7x)

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  1. freckles
    • one year ago
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    you should see a pattern try to find the first 4 derivatives

  2. chosenmatt
    • one year ago
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    ^^^

  3. freckles
    • one year ago
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    when you get y' , y'', y^(3), y^(4) please let me know

  4. anonymous
    • one year ago
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    okay sorry lost internet connection -7sin(7x) -7^2cos(7x) 7^3sin(7x) 7^4cos(7x)

  5. anonymous
    • one year ago
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    so would the answer be -7^57sin(7x)?

  6. anonymous
    • one year ago
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    @freckles ?

  7. anonymous
    • one year ago
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    looks good to me!

  8. anonymous
    • one year ago
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    okay thank you :D

  9. anonymous
    • one year ago
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    well done!

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spraguer (Moderator)
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