Решение задачи по физике раздел 41 пункт 1 волны

1. The phase difference between two equally directed harmonic oscillations constant period T = 4, and with the same amplitude A = 5 cm is π / 4. Write the equation of motion resulting from the addition of these oscillations, if the initial phase of one of them is zero.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)