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Tg n x. Sin 4 π(2x+1) = 2 2. Sin ( 3 x - π/2 ) = (- 1). Sin 2п/9. Sin 2x = π/4.
Sin 4 π(2x+1) = 2 2. Sin ( 3 x - π/2 ) = (- 1). Sin 2п/9. Sin 2x = π/4.

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