What is the derivative of 5sin(xcos(x)) ?

The derivative of 5sin(xcos(x)) is 5cos(2x)

What is the first derivative of 5sin(xcos(x)) ?

The first derivative of 5sin(xcos(x)) is 5cos(2x)

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\frac{d}{d x} (5 sin (x) cos (x))

5 cos (2 x)

Solution steps

\frac{d}{d x} (5 sin (x) cos (x))

Take the constant out:

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

= 5 \frac{d}{d x} (sin (x) cos (x))

Apply the Product Rule:

(f \cdot g)^{'} = f^{'} \cdot g + f \cdot g^{'}

f = sin (x), g = cos (x)

= 5 (\frac{d}{d x} (sin (x)) cos (x) + \frac{d}{d x} (cos (x)) sin (x))

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

\frac{d}{d x} (cos (x)) = - sin (x)

= 5 (cos (x) cos (x) + (- sin (x)) sin (x))

Simplify

5 (cos (x) cos (x) + (- sin (x)) sin (x)) : 5 cos (2 x)

= 5 cos (2 x)

\int (x + 1) (9 x - 8) d x

\int \frac{x ^{7} - 4 x}{x ^{5}} d x

sin (10 x)

\frac{d}{d x} (e^{1 + s i n (2 x)})

tan (x), - \frac{π}{4}

What is the derivative of 5sin(xcos(x)) ?
The derivative of 5sin(xcos(x)) is 5cos(2x)
What is the first derivative of 5sin(xcos(x)) ?
The first derivative of 5sin(xcos(x)) is 5cos(2x)