Contour Integrals: A Complex Proof of Reflection Formula

Hope everyone enjoyed! Longer style with this one but very rewarding complex proof - please comment with any questions or suggestions for new topics, and as always, subscribe to stay updated.
~ Thanks for watching!
Lets keep going to 2k!
#maths #mathematics #integrals #entrance #university #Oxford #Cambridge #JEE #problemsolving#taylor #maclaurin #gaussian #gauss #statistics #whoknew #fascinating #functions #euler #funproblems #proofs #functions #physics #sums #series #limits #whiteboard #math505 #blackpenredpen #integral #trig #trigonometry