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## sha0403 what dy/dx for y=cot^2 (e^3x) one year ago one year ago

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1. Shadowys

Note: $$\frac{d}{dx} (cot x)=-csc x cot x$$ $$\frac{d}{dx} (e^x)=e^x$$ Are you familiar with the chain rule and power rule?

2. sha0403

yes i familia with that.. i get -3cosec^2 e^3x? what do you think?