Images COS 3П B SIN

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Cos 3п b sin. Cos п/3. 3 Cos( -п+b)+sin (п/2+b)/ cos(b+п). Cos(-2п-b)+3sin(-3п:2+b):2cos(b+3п). 3cos п b sin п/2 + b) = 3cosb +cos b.
Cos п/3. 3 Cos( -п+b)+sin (п/2+b)/ cos(b+п). Cos(-2п-b)+3sin(-3п:2+b):2cos(b+3п). 3cos п b sin п/2 + b) = 3cosb +cos b.

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