Revision history of "T n(x)=(1/2)(x+i sqrt(1-x^2))^n+(1/2)(x-i sqrt(1-x^2))^n"

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  • (cur | prev) 19:18, 15 March 2018‎ Tom (talk | contribs)‎ . . (456 bytes) (+456)‎ . . (Created page with "==Theorem== The following formula holds: $$T_n(x)=\dfrac{\left(x+i\sqrt{1-x^2} \right)^n+\left(x-i\sqrt{1-x^2} \right)^n}{2},$$ where $T_n$ denotes Chebyshev T and $i$ den...")
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