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student1988

Find the derivative of the function. f(t) = tan(e^9t) + e^(tan 9t)

  • one year ago
  • one year ago

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  1. student1988
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    |dw:1362233655486:dw|

    • one year ago
  2. student1988
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    |dw:1362233696126:dw| Here is my work, where did I make an error? please help I'll give a medal in return. Really need the help, thanks

    • one year ago
  3. nitz
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    \[d/dt(\tan (e ^{9t}))\]=\[\sec ^{2}(e ^{9t}).e ^{9t}.(9)\]

    • one year ago
  4. nitz
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    for second one its fine

    • one year ago
  5. student1988
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    would you happen to be familiar with WebAssign?

    • one year ago
  6. student1988
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    my answer comes out incorrect in webassign

    • one year ago
  7. student1988
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    • one year ago
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  8. .Sam.
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    Should be \[\frac{d}{t d}\text{}\tan e^{9 t}+e^{\tan (9 t)}=9 \left(e^{9 t} \left( \sec ^2e^{9 t}\right)+e^{ \tan(9 t) } \left( \sec ^2(9 t)\right)\right)\]

    • one year ago
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