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Step * 1 2 of Lemma cosine0


1. Σi.-1^i * (r0^2 * i)/(2 * i)! = cosine(r0)
2. Σi.-1^i * (r0^2 * i)/(2 * i)! = r1
⊢ cosine(r0) = r1
BY
{ (FLemma `series-sum-unique` [1;2] THEN Auto) }

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Latex:

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Latex:

1.  \mSigma{}i.-1\^{}i  *  (r0\^{}2  *  i)/(2  *  i)!  =  cosine(r0)
2.  \mSigma{}i.-1\^{}i  *  (r0\^{}2  *  i)/(2  *  i)!  =  r1
\mvdash{}  cosine(r0)  =  r1


By

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Latex:
(FLemma  `series-sum-unique`  [1;2]  THEN  Auto)

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