Question: Let a be a constant. Read the following statement: Since the derivative of sin r is cos r, the derivative of sin(ar) is cos(ar).

Let a be a constant. Read the following statement: "Since the derivative

Let a be a constant. Read the following statement: "Since the derivative of sin r is cos r, the derivative of sin(ar) is cos(ar)." Is this statement true or false? Explain your answer using math, words, or both.

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