Identify Function: Identify the function to differentiate.We need to find the derivative of the function f(x)=−3sin(x) with respect to x.
Apply Derivative Rule: Apply the derivative rule for sine function.The derivative of sin(x) with respect to x is cos(x). Therefore, the derivative of −3sin(x) is −3 times the derivative of sin(x).
Multiply by Constant: Multiply the derivative of sin(x) by the constant.Since the derivative of sin(x) is cos(x), we multiply this by the constant −3 to get the derivative of the entire function.dxd(−3sin(x))=−3×dxd(sin(x))=−3×cos(x)
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