Решить уравнения:
1) sin 2 x + sin x – 2 = 0.
2) 2 cos 2 x – 5 cos x + 2 = 0.
3) 2sin 2 x – cos x – 1 = 0.
4) 2 cos 2 x – 5 sin x + 1 = 0
5) 3 tg 2x – tg x – 2 = 0
6) tg x – 2 ctg x + 1 = 0.
1) sin 2 x + sin x – 2 = 0.
2) 2 cos 2 x – 5 cos x + 2 = 0.
3) 2sin 2 x – cos x – 1 = 0.
4) 2 cos 2 x – 5 sin x + 1 = 0
5) 3 tg 2x – tg x – 2 = 0
6) tg x – 2 ctg x + 1 = 0.
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