Images COS 3 2 TG

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Cos 3 2 tg. 2 Cos 3п b sin. Cos 2π/3. Cos 3п b sin -3п/2+b 5cos. 3 Cos( -п+b)+sin (п/2+b)/ cos(b+п).
2 Cos 3п b sin. Cos 2π/3. Cos 3п b sin -3п/2+b 5cos. 3 Cos( -п+b)+sin (п/2+b)/ cos(b+п).

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