IDENTIDADES TRIGONOMETRICAS

(2Sen x-5Cosx) + (2Cosx+5Sen x)2-Sen2x+Cos2x+28 ct 3x-T 3x -Ctgx - Tgx 1+2 Tg x sen (A+B) sen (A-B B-l Cos 3X+Cos2X+Cosx - Sen2x+Cosx (1+2Cos x) ................
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