1)sin3xcos2x - cos3xsin2x = -0.5
Sin3xcos2x-cos3xsin2x=-0.5.(sin5x+sinx)/2-(sin5x-sinx)/2=-0.5.2sinx=-1sinx=-1/2x=(-1)^n+1*пи/6+пи*n
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Sin3xcos2x-cos3xsin2x=-0.5.
(sin5x+sinx)/2-(sin5x-sinx)/2=-0.5.
2sinx=-1
sinx=-1/2
x=(-1)^n+1*пи/6+пи*n