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student1988
 one year ago
Best ResponseYou've already chosen the best response.0dw:1362233655486:dw

student1988
 one year ago
Best ResponseYou've already chosen the best response.0dw: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

nitz
 one year ago
Best ResponseYou've already chosen the best response.1\[d/dt(\tan (e ^{9t}))\]=\[\sec ^{2}(e ^{9t}).e ^{9t}.(9)\]

student1988
 one year ago
Best ResponseYou've already chosen the best response.0would you happen to be familiar with WebAssign?

student1988
 one year ago
Best ResponseYou've already chosen the best response.0my answer comes out incorrect in webassign

.Sam.
 one year ago
Best ResponseYou've already chosen the best response.1Should 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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