What is the integral of-3sin(x)+8cos(x) ?

The integral of-3sin(x)+8cos(x) is 3cos(x)+8sin(x)+C

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integral of-3sin(x)+8cos(x)

\int - 3 sin (x) + 8 cos (x) d x

3 cos (x) + 8 sin (x) + C

Solution steps

\int - 3 sin (x) + 8 cos (x) d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= - \int 3 sin (x) d x + \int 8 cos (x) d x

\int 3 sin (x) d x = - 3 cos (x)

\int 8 cos (x) d x = 8 sin (x)

= - (- 3 cos (x)) + 8 sin (x)

Simplify

= 3 cos (x) + 8 sin (x)

Add a constant to the solution

= 3 cos (x) + 8 sin (x) + C

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What is the integral of-3sin(x)+8cos(x) ?
The integral of-3sin(x)+8cos(x) is 3cos(x)+8sin(x)+C