Jean-Claude Arbaut
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 36 In plain language, what's the significance of a field? 28 How can you derive $\sin(x) = \sin(x+2\pi)$ from the Taylor series for $\sin(x)$? 22 Which polynomials fix the unit circle? 22 Process to show that $\sqrt 2+\sqrt[3] 3$ is irrational 20 Value of $f'(0)$ if $f(x)=\frac{x}{1+\frac{x}{1+\frac{x}{1+\ddots}}}$

### Reputation (8,905)

 +10 A math contest question related to Ramsey numbers +20 how to prove that a relation is antisymmetric? +33 How can I prove this inequality? $(a^2+1)(b^2+1)>a(b^2+1)+b(a^2+1)$ +10 Eigen value and transpose of the $Matrix$

### Questions (3)

 21 Scalar product and uniform convergence of polynomials 16 Flaw or not flaw in Excel's RNG? 5 Irreducibility of an infinite sequence of polynomials

### Tags (161)

 105 calculus × 37 59 trigonometry × 27 94 algebra-precalculus × 25 50 real-analysis × 17 73 sequences-and-series × 25 49 integration × 18 61 linear-algebra × 17 46 polynomials × 12 61 derivatives × 13 38 discrete-mathematics × 11

### Accounts (37)

 Mathematics 8,905 rep 51549 Stack Overflow 1,621 rep 11022 Mathematica 303 rep 19 Cross Validated 201 rep 37 Area 51 151 rep 2