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student1988

  • 3 years ago

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

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  1. student1988
    • 3 years ago
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    |dw:1362233655486:dw|

  2. student1988
    • 3 years ago
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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

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

  4. nitz
    • 3 years ago
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    for second one its fine

  5. student1988
    • 3 years ago
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    would you happen to be familiar with WebAssign?

  6. student1988
    • 3 years ago
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    my answer comes out incorrect in webassign

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

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