What is the derivative of 7sin(3x) ?

The derivative of 7sin(3x) is 21cos(3x)

What is the first derivative of 7sin(3x) ?

The first derivative of 7sin(3x) is 21cos(3x)

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\frac{d}{d x} (7 sin (3 x))

21 cos (3 x)

Solution steps

\frac{d}{d x} (7 sin (3 x))

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= 7 \frac{d}{d x} (sin (3 x))

Apply the chain rule:

cos (3 x) \frac{d}{d x} (3 x)

= cos (3 x) \frac{d}{d x} (3 x)

\frac{d}{d x} (3 x) = 3

= 7 cos (3 x) \cdot 3

Simplify

= 21 cos (3 x)

\int (x^{2} - 9 x + 4) d x

\int \frac{3 x ^{2}}{5 x ^{3} + 1} d x

4 y^{^{''}} - y = x e^{\frac{x}{2}}

\int 5 x^{4} - 3 x^{2} + 7 d x

x \to - 2.4 lim (x)

What is the derivative of 7sin(3x) ?
The derivative of 7sin(3x) is 21cos(3x)
What is the first derivative of 7sin(3x) ?
The first derivative of 7sin(3x) is 21cos(3x)