The integral cos(x)/(e^(1/x)+1) from -pi/2 to pi/2

New version: https://youtu.be/RZr7RytBQHs German version: https://www.youtube.com/watch?v=FBXrkE8UV_c Decomposing functions: https://www.youtube.com/watch?v=bCQv-BGIIjE In today's video we are going to evaluate a pretty interesting integral! Brace yourselve for some high level decomposition! :D Help me create more and better content! =) https://www.patreon.com/mathable Visit my website! =) https://mathable.me/