1) sin2x=[tex]\frac{\sqrt{3} }{2}[/tex]
2)[tex]sin^{2} x+cos2x=0[/tex]
3)5sin3x-2cos3x=0
4)[tex]cos^{2}2x+6cos^{2}x+1\frac{9}{16}[/tex]
5)2sin4x-3[tex]sin^{2}2x=1[/tex]
ПОЖАЛУЙСТА РЕШИТЕ ДАЮ 80 БАЛОВ
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