Identify function: Identify the function to differentiate.We need to find the derivative of the function f(x)=−4sin(x) with respect to x.
Apply sine rule: Apply the derivative rule for sine function.The derivative of sin(x) with respect to x is cos(x). Therefore, the derivative of −4sin(x) will be −4 times the derivative of sin(x).
Calculate derivative: Calculate the derivative.Using the rule from Step 2, we get:dxd(−4sin(x))=−4⋅dxd(sin(x))=−4⋅cos(x)
Write final answer: Write the final answer.The derivative of −4sin(x) with respect to x is −4cos(x).
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