Question
Asked Nov 15, 2019
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find the antiderivative:

8cos2x

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Expert Answer

Step 1

Let u=2x, from there find dx.

u-2x
du 2dx
du
dx=
2
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u-2x du 2dx du dx= 2

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Step 2

Substitute u and du in the given integra...

8cos(2x)dx
-8 Jcos(2x)dx
8 fcos(u)
du
2
cos(u)du
2
4 cos(u)du
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8cos(2x)dx -8 Jcos(2x)dx 8 fcos(u) du 2 cos(u)du 2 4 cos(u)du

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Calculus

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