Question

Cosx+tanx*senx=secx resuelvanlo

Answer 1

Cotx+tanx=sec^2(x)
1/tanx +tanx=sec^2(x)
(1+tan^2(x))/tan(x)=sec^2(x)
(sec^2(x))=sec^2(x).tan(x)
1/sen^2(x)=1/sen^2(x) .tan(x)
1=(sen^2(x))/sen^2(x) .tan(x)
1=1.tan(x)
tan(x)=1
|x|=45°,135°,...(2k-1)/Π