find the derivative of a function 1. y= e^(-5x)cos(3x) 2. y=e^(x cos x) ????
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Originally Posted by xSMUxCHEERLEADINGx find the derivative of a function 1. y= e^(-5x)cos(3x) 2. y=e^(x cos x) ???? You need to use product rule and chain rule for both: 1. We see that I leave #2 for you to do. Note that . This means that you will end up applying the product rule to . Can you take this one from here? --Chris
Originally Posted by xSMUxCHEERLEADINGx find the derivative of a function 1. y= e^(-5x)cos(3x) 2. y=e^(x cos x) ???? 1. You have a product of functions, so use the product rule. 2. . This is a composition of functions, so use the chain rule. Let , so . (use the product rule). . .
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