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If you liked this video and want to support me, you can do so by buying me a beer???? https://ko-fi.com/ilmatematicomascherato ~ In this video we see how to calculate the derivative of the following eight composite functions: 1) sin (Sqrt (1+x^2)) 2) lg (1+e^x^2) 3) cos (sin (cos (x))) 5) 1/Sqrt (1+sin ^2 (x)) 6) lg (x+Sqrt (1+x^2)) 7) Arctg ((e^x+e^-x)/2) 8) lg (lg (x)) Analysis 1, derivatives, derivation rules, composite functions, derivative of a composite function, elementary derivatives, 8 solved exercises.