Was ist die Ableitung von # tan ^ 2 x #?

#"note "tan^2x=(tanx)^2#

#"differentiate using the "color(blue)"chain rule"#

#"given "y=f(g(x))" then"#

#dy/dx=f'(g(x))xxg'(x)larr" chain rule"#

#"y=(tanx)^2#

#rArrdy/dx=2tanx xxd/dx(tanx)#

#color(white)(rArrdy/dx)=2tanxsec^2x#