Question

simplificar (secx+ sen x)/cos secx+cosx )

Answer 1

sen^2x+cos^2x=1
secx=1/cosx
cossecx=1/senx
1/cosx+senx/1/senx+cosx
1+cosx.senx/cosx/1+senx.cosx/senx
senx(1+cosx.senx)/cosx(1+senx.cosx) sem problema cancela o (1+senx.cosx).
senx/cosx=tgx