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anonymous

  • 5 years ago

f(y)=sqrt(7y)-sin(1+cosy)... need the derivitive of this one and i dont know where im going wrong any help?

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  1. anonymous
    • 5 years ago
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    hey, how's it going?

  2. anonymous
    • 5 years ago
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    hey can you help me?

  3. anonymous
    • 5 years ago
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    sure, where are you getting stuck?

  4. anonymous
    • 5 years ago
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    yes i need to find the deriv. of that function

  5. anonymous
    • 5 years ago
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    i know to do the chain rule for the second term.. what about the first term

  6. anonymous
    • 5 years ago
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    sqrt means exponent is 1/2, so the first term is (7y)^1/2, can you do the deriv from there?

  7. anonymous
    • 5 years ago
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    ya i got (7/2)y^(-1/2)?

  8. anonymous
    • 5 years ago
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    good

  9. anonymous
    • 5 years ago
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    isnt there a chain rule applied to that term though?

  10. anonymous
    • 5 years ago
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    nevermind i figured it out.. thanks any

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