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tiffanymak1996
Group Title
find, from first principles, the derivative of
y= (sinx)(e^x)
 one year ago
 one year ago
tiffanymak1996 Group Title
find, from first principles, the derivative of y= (sinx)(e^x)
 one year ago
 one year ago

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tiffanymak1996 Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ dy }{ dx }= \lim_{h \rightarrow 0} \frac{e ^{x+h} \sin(x+h)  e^{x} sinx}{h}\]
 one year ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.0
Maybe try an angle sum identity for sin(x+h), and for e^{x+h}, you add the exponents when multiplying powers of the same base. See if you can use that to factor things out.
 one year ago

tiffanymak1996 Group TitleBest ResponseYou've already chosen the best response.0
i did the question till, \[\lim_{h \rightarrow 0}\frac{e^x e^h sinx \cosh + e^x e^h cosxsinh e^xsinx}{h}\] but i can't eliminate the terms
 one year ago

muhammad9t5 Group TitleBest ResponseYou've already chosen the best response.0
add some increment to both sides.
 one year ago
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