expansion of cosx
cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! +…….
Trick: even powers since cos(x) is even functionexpansion of cosx
cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! +…….
Trick: even powers since cos(x) is even functionCopyright © 2021 Codeinu
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