Difference between revisions of "Taylor series of cosine"
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| − | <strong>Proposition:</strong> $\cos(x) = \displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k x^{2k}}{(2k)!}$ | + | <strong>[[Taylor series of cosine|Proposition]]:</strong> [[Cosine|$\cos$]]$(x) = \displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k x^{2k}}{(2k)!}$ |
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<strong>Proof:</strong> █ | <strong>Proof:</strong> █ | ||
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</div> | </div> | ||
Revision as of 05:00, 20 March 2015
Proposition: $\cos$$(x) = \displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k x^{2k}}{(2k)!}$
Proof: █
