How do I integrate (sinx)^4 with limits 0 to pi?

How do I integrate (sinx)^4 with limits 0 to pi?
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Answer :

answer:This should help you: https://en.wikipedia.org/wiki/List_of_trigonometric_identities#Power-reduction_formula If you still can’t figure it out on your own with this hint, I should be able to help you further, but I’m at work right now.
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