Verify for all integers , . Help? I know the double angle, half-angle, and sum and difference formulas, but I can't figure out how to verify it.
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Hello, Originally Posted by chrozer Verify for all integers , . Help? I know the double angle, half-angle, and sum and difference formulas, but I can't figure out how to verify it. You can do it by induction. Or... : use the sum formula. Then remember that
Originally Posted by Moo Hello, You can do it by induction. Or... : use the sum formula. Then remember that Thanks.
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