Question

найдите производную ф-ции 

а)f(x)=cos(5-2x)+ctgx

б)f(x)=sinx*cos(2x-3)

 

Answer 1

F(x)= sin5-sin2x+Tgx

F(x)=ctg2x-ctg3

Answer 2

a)  y=cos(5-2x)+ctgx

   y' = sin2x - 1/sin^2x

 

б) y=sinx*cos(2x-3)

    y' = cosx* cos(2x-3) - 2sin(2x-3)*sinx