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

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

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

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

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

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

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

Prove the trigonometric identities: (1-sintheta)/(1+sintheta)=(sectheta-tantheta)^2

sintheta/(1-cottheta)+costheta/(1-tantheta)=

Prove the following trigonometric identities: (tantheta+sintheta)/(tantheta-sintheta)=(sectheta+1)/(sectheta-1)

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