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Calculus > Sequences and Series

Cosine Definition as an Infinite Series




LaTeX Code:

\cos x = \sum\limits_{n = 0}^\infty {\frac{{\left( { - 1} \right)^n x^{2n} }}{{\left( {2n} \right)!}}}


MathType 5.0 Code:


% MathType!MTEF!2!1!+-
% feaafaart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn
% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqr1ngB
% PrgifHhDYfgasaacH8YjY-vipgYlh9vqqj-hEeeu0xXdbba9frFj0-
% OqFfea0dXdd9vqai-hGuQ8kuc9pgc9q8qqaq-dir-f0-yqaiVgFr0x
% fr-xfr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaci4yai
% aac+gacaGGZbGaamiEaiabg2da9maaqahabaWaaSaaaeaadaqadaqa
% aiabgkHiTiaaigdaaiaawIcacaGLPaaadaahaaWcbeqaaiaad6gaaa
% GccaWG4bWaaWbaaSqabeaacaaIYaGaamOBaaaaaOqaamaabmaabaGa
% aGOmaiaad6gaaiaawIcacaGLPaaacaGGHaaaaaWcbaGaamOBaiabg2
% da9iaaicdaaeaacqGHEisPa0GaeyyeIuoaaaa!4DFC!


Pasting the above "text" into MathType 5.0 will enter the above equation and make it possible to edit, save, and use in applications such as MS Word.




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