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# A2 core maths

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1. Can you only integrate something like (sinx)^3 by substitution or is there another way?
2. (Original post by weeksz09)
Can you only integrate something like (sinx)^3 by substitution or is there another way?
There is this method but I don't think it is taught.
3. It is that formula as it integrates to give you
4. weeksz09 If you want to derive the one for cosine then feel free. But I have left the general cosine one in a spoiler if that is not to your liking.
Spoiler:
Show
5. Thank you thats very helpful
6. (Original post by weeksz09)
Can you only integrate something like (sinx)^3 by substitution or is there another way?
You could just expand into or w/e it is.

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