Prove: `(sintheta)/(1-costheta)=cos e c\ theta+cottheta`

Prove the following trigonometric identities: (sintheta)/(1-costheta)=cos e ctheta+cottheta

Prove that sintheta/(1-costheta)=cosectheta+cottheta .

Prove that: sqrt((1+costheta)/(1-costheta))=cos e ctheta+cottheta .

Prove the following identities: (1-costheta)/(1+costheta)=(cos e ctheta-cottheta)^2

Prove the following trigonometric identities: sqrt((1-sintheta)/(1+sintheta))=sectheta-tantheta sqrt((1+costheta)/(1-costheta))=cos e ctheta+cottheta

Prove that:sqrt((1+costheta)/(1-costheta))={cos e ctheta+cottheta,if0

Prove the trigonometric identities: sqrt((1-costheta)/(1+costheta))=cos e ctheta-cottheta

Prove that : sqrt((1+costheta)/(1-costheta))="cosec"theta+cottheta

Prove that : sqrt((1+costheta)/(1-costheta))="cosec"theta+cottheta

Prove that (frac(1+sintheta)(1+costheta)) + (frac(1-sintheta)(1-costheta)) = 2(cosec^2theta-cottheta)