Найти производную функции
[tex]f(x)=3sin( \frac{x}{3} - \frac{ \pi }{2} )[/tex]

f(x) = 3Sin(x/3 - π/2) = -3Sin(π/2 - x/3) = -3Cosx/3f'(x) =3Sinx/3 * (x/3)' = 3Sinx/3 * 1/3= Sinx/3