Rewrite with only sinx and cosx. cos2x-sinx

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Rewrite with only sinx and cosx. cos2x-sinx

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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are you familiar with double angle formulae ?
yes. I know that cos2x would be cos^2x-sin^2x
I think thats what you have to substitute only.

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Just substitute and you are done :)
so would it be cos^2x-sin^2-sinx?
yep
according to me yes infact there can be more than 1 answers to it
would it be possible for it to be cos^2x-sin^3x?
nope?
ok. thanks!
yw :)

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