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135 bytes added ,  15:21, January 6, 2009
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===Examples of common Taylor series===
 
===Examples of common Taylor series===
−
<math>e^x=1+x+\frac{x^2}{2!}+\frac{x^3}{3!}+\ldots</math>
+
<math>e^x=\sum_{n=0}^{\infin} \frac{x^{n}}{n!}=1+x+\frac{x^2}{2!}+\frac{x^3}{3!}+\ldots</math>
   −
<math>\sin x=x-\frac{x^3}{3!}+\frac{x^5}{5!}-\ldots</math>
+
<math>\sin x=\sum_{n=0}^{\infin} (-1)^n\frac{x^{2n+1}}{(2n+1)!}=x-\frac{x^3}{3!}+\frac{x^5}{5!}-\ldots</math>
   −
<math>\cos x=1-\frac{x^2}{2!}+\frac{x^4}{4!}-\ldots</math>
+
<math>\cos x=\sum_{n=0}^{\infin} (-1)^n\frac{x^{2n}}{(2n)!}=1-\frac{x^2}{2!}+\frac{x^4}{4!}-\ldots</math>
    
====Extensions of the Exponential Function====
 
====Extensions of the Exponential Function====
nsJudgesRO, nsJudgesRW, nsJudges_talkRO, nsJudges_talkRW
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