Question

Решите уравнение:
cos2x+1=cos(х-п/2)

Answer 1

x≈2(3.1416n-(0.78540+0.36643i)), n∈Z
x≈2(3.1416n-(0.78540-0.36643i)), n∈Z
x≈2(3.1416n+0.44795), n∈Z
x≈2(3.1416n+1.1228), n∈Z