Question

Simplificar Cos x/(sen x)+(tan x)

Answer 1

hola:D

cosx/(senx)+(tan x)

cos(x)/sin(x)=tan(x),x≠Kπ/2,K€Z

cos(x)/sin(x)=sin(x)/cos(x)

cos(x)²=sin(x)²

cos(x)²-sin(x)²=0

cos(2x)=0

2x=π/2+Kπ,K€Z

x=π/4+Kπ/2,k€Z,x≠Kπ/2,K€Z

x=π/4+Kπ/2,k€Z

x=45°+Kx90°,K€Z

Saludo Ricardo