Diapositivas Lenny Vanegas

IDENTIDADES TRIGONOMÉTRICAS. 1. 2. 2 Cos x + 3 = 2 (1-Cos^2x) (1+Tan^2x) = Tan^2x 2 Cos x = 2 – 3 Sen^2x Sec^2x = Tan^2x 2 Cos x = -1 Sen^2x 1 = Tan^2x Cos x = -1/2 1 Cos^2x x= ^-1 (1/2) Sen^2x = Tan^2x x= 120° o 200° Cos^2x Tan^2x = Tan^2x