Photos CTG 1 SIN

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Ctg 1 sin. 1+Ctg2t. CTG 2t cos2t-1 +1. Cos2t-sin2t. Cos2t-ctg2t/sin2t-tg2t.
1+Ctg2t. CTG 2t cos2t-1 +1. Cos2t-sin2t. Cos2t-ctg2t/sin2t-tg2t.

See also