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

student1988
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.1\[d/dt(\tan (e ^{9t}))\]=\[\sec ^{2}(e ^{9t}).e ^{9t}.(9)\]

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

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

.Sam.
 2 years 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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