Images 2 COS 3П B SIN

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2 cos 3п b sin. Sin(2a+2b). Cos2b. Cos a 2 b 2 cos a 2 b 2. Sin b формула.
Sin(2a+2b). Cos2b. Cos a 2 b 2 cos a 2 b 2. Sin b формула.

See also