Find the derivative of the function. $$ f(x)=\sin 3 x $$
Added by Mark R.
Step 1
Using the chain rule, we have: $$ \frac{d}{dx}(\sin 3x) = \cos(3x) \cdot \frac{d}{dx}(3x) = \cos(3x) \cdot 3 = 3\cos(3x) $$ Show more…
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