Photos T 2 3T

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T 2 3t. TG(3п/2 - t). CTG(2п-t). CTG 3п/2+t. CTG (3п/2+t) = 4/5.
TG(3п/2 - t). CTG(2п-t). CTG 3п/2+t. CTG (3п/2+t) = 4/5.