Images A B COS AB

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A b cos ab. A^2+B^2=C^2. A2+b2+c2 формула. A 2 B 2 формула. A2-b2.
A^2+B^2=C^2. A2+b2+c2 формула. A 2 B 2 формула. A2-b2.

See also