In this video I cover the basic idea behind evaluating a definite integral.
This is really using the fundamental theorem of calculus part 2. Remember to take an entire step just to find the anti-derivative. This will really help with the rest of your calculations later one.

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This video is related to many other topics. Check them out:
The basics of indefinite integrals: https://youtu.be/6LeDBD4fdxU
Find the derivative of inverse trigonometric functions: https://youtu.be/IgKBd42rrkU

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