Question

(1+cosx/senx)+ (sen x/1 + cos x)

Answer 1

Explicación paso a paso:

Senx/(1+cosx) = (1-cosx)/senx

(1+cosx/senx)+ (sen x/1 + cos x)

(1+cosx)/senx+ (1-cosx)/senx

[(1+cosx)+(1-cosx)]/senx

2/senx = 2secx