sin(𝑥) = 𝑥 − 𝑥 3 3! + 𝑥 5 5! − ⋯ (−1) 𝑛 𝑥 2𝑛+1 (2𝑛 + 1)! in matlab

main.m
syms x n;
f(x, n) = sum((-1)^n * x^(2*n+1) / factorial(2*n+1), n, 0, Inf);
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