Integral cosx 2

Integral cosx 2

Indefinite integral
integral cos(x) 2 dx = 2 sin(x) + constant
Alternate form of the integral
i e^(-i x) – i e^(i x) + constant
Series expansion of the integral at x=0
2 x – x^3/3 + x^5/60 + O(x^6)
(Taylor series)
Definite integral
integral_0^(pi/2) 2 cos(x) dx = 2
Definite integral mean square
integral_0^(2 pi) (2 cos^2(x))/pi dx = 2

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