Question

sin2x-2cosx+3sinx-3=0

Answer 1

Ответ:

$x = \frac{\pi}{2} + 2k\pi \: \: \: k = z$

Answer 2

sin2x-2cosx+3sinx-3=0

Ответ:

$x = \frac{\pi}{2} + 2k\pi$