Images COS B 3П

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Cos b 3п. Cos(-2п-b)+3sin(-3п:2+b):2cos(b+3п). 2 Cos 3п b sin. Cos 2pi/3. Cos(2p-b)-sin(-3 p/2)/2cos.
Cos(-2п-b)+3sin(-3п:2+b):2cos(b+3п). 2 Cos 3п b sin. Cos 2pi/3. Cos(2p-b)-sin(-3 p/2)/2cos.

See also