§ Задание 72
\[I = A\sin(\omega t + \varphi).\]
\[1)\ A = 2;\ \ \ \omega = 1;\ \ \ \varphi = \frac{\pi}{4}:\]

\[2)\ A = 1;\ \ \ \omega = 2;\ \ \ \varphi = \frac{\pi}{3}:\]

\[I = A\sin(\omega t + \varphi).\]
\[1)\ A = 2;\ \ \ \omega = 1;\ \ \ \varphi = \frac{\pi}{4}:\]

\[2)\ A = 1;\ \ \ \omega = 2;\ \ \ \varphi = \frac{\pi}{3}:\]
