Задача 46991 s(t)=5sin(3t+1), v(t)=?...

akk

2020-04-13 23:17:23

s(t)=5sin(3t+1), v(t)=?

u821511235

2020-04-13 23:23:29

v(t)=s'(t)=(5sin(3t+1))' =5(sin(3t+1))' =5cos(3t+1)*(3t+1)' =5*3cos(3t+1)=15 cos(3t+1).