What is the integral of (2x+3)cos(x) ?

The integral of (2x+3)cos(x) is sin(x)(2x+3)+2cos(x)+C

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integral of (2x+3)cos(x)

\int (2 x + 3) cos (x) d x

sin (x) (2 x + 3) + 2 cos (x) + C

Solution steps

\int (2 x + 3) cos (x) d x

Apply Integration By Parts

: (2 x + 3) sin (x) - \int 2 sin (x) d x

= (2 x + 3) sin (x) - \int 2 sin (x) d x

\int 2 sin (x) d x = - 2 cos (x)

= (2 x + 3) sin (x) - (- 2 cos (x))

Simplify

= sin (x) (2 x + 3) + 2 cos (x)

Add a constant to the solution

= sin (x) (2 x + 3) + 2 cos (x) + C

\int \frac{1}{x ^{2} - 3 ^{2}} d x

\int tan (θ) d θ

\int 2019 + sec (x) tan (x) - e^{x} d x

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

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

What is the integral of (2x+3)cos(x) ?
The integral of (2x+3)cos(x) is sin(x)(2x+3)+2cos(x)+C