August 2021 0 1 Report
1)2sinx^2-6cosx+6=0 2) cos2x-2sinxcosx-3sin2x=0
3)sin4xcos3x+sin3xcos4x = -1
4) 7sin^2x-4sin2x+cos^2x=0
5) 4sinx-3=3cosx
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