Question

[(1+cosx)/(sinx)]+[(sinx)/(1+cosx)]=2cscx

Answer 1

verify?

Answer 2

((1+cosx)^2+(sinx)^2)/((1+cosx)*sinx)
=(1+2cosx +cos^2x +sin^2x)/((1+cosx)*sinx)
=(1+2cosx + 1)/((1+cosx)*sinx)
=(2+2cosx)/((1+cosx)*sinx)
=2(1+cosx)/((1+cosx)*sinx)
=2/sinx
=2cosecx