What is the integral of (3sin(x)) ?

The integral of (3sin(x)) is -3cos(x)+C

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integral of (3sin(x))

\int (3 sin (x)) d x

- 3 cos (x) + C

Solution steps

\int 3 sin (x) d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 3 \cdot \int sin (x) d x

Use the common integral:

\int sin (x) d x = - cos (x)

= 3 (- cos (x))

Simplify

= - 3 cos (x)

Add a constant to the solution

= - 3 cos (x) + C

f (x) = \frac{x + 7}{x}

n = 1 \sum \infty \frac{1}{3 ^{n - 3}}

y = \frac{2 x + 1}{x + 2}, (1, 1)

\frac{\partial}{\partial y} (cos (2 x y))

g (x) = 9 - 2