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`e^(xcosx)`

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To find the derivative of the function \( f(x) = e^{x \cos x} \), we will use the chain rule and the product rule. Here’s a step-by-step solution: ### Step 1: Identify the function Let \( f(x) = e^{x \cos x} \). ### Step 2: Differentiate using the chain rule The derivative of \( e^u \) with respect to \( x \) is \( e^u \cdot \frac{du}{dx} \), where \( u = x \cos x \). ...
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