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anonymous
 4 years ago
Find the derivative of the function.
y = cos [(1 − e^7x)/(1 + e^7x)]
anonymous
 4 years ago
Find the derivative of the function. y = cos [(1 − e^7x)/(1 + e^7x)]

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cwrw238
 4 years ago
Best ResponseYou've already chosen the best response.0use the chain rule start with sin [(1 − e^7x)/(1 + e^7x)] now u need to find derivative of expression in brackets using quotient rule

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0imo, simplify \[\frac{ 1e^{7x} }{ 1+e^{7x} }\] first, then take the derivative by using rules.

Kainui
 4 years ago
Best ResponseYou've already chosen the best response.0\[y=\cos[(1e^{7x})*(1+e^{7x})^{1}]\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0quotient rule is the last step

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1350240374374:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0the derivative of e^7x= e^7x right?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1350240579605:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin (1 − e^7x)/(1 + e^7x) * [(1+e^7x)(7e^7x)(1e^7x)(7e^7x)]/(1+e^7x)^2
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