Question

Решите уравнение) 3cos^2X-2sinX=3-3sin^2X

Answer 1

$3\cos^2x-2\sin x=3-3\sin^2x\\3-3\sin^2x-2\sin x=3-3\sin^2x\\-2\sin x=0\\\sin x=0\\x=\pi n,\;n\in\mathbb{Z}$