Images COS 3 2 TG

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Cos 3 2 tg. CTG 19pi/6. TG -13pi/6. TG 13pi/4. 4sin пи/3 -пи/6 CTG - пи/4.
CTG 19pi/6. TG -13pi/6. TG 13pi/4. 4sin пи/3 -пи/6 CTG - пи/4.

See also