sqrt((1-cos A)/(1+cos A))=cosec A-cot A

sqrt((1-cos A)/(1+cos A))+sqrt((1+cos A)/(1-cos A))=2cosec A

Prove that : (1 + cos A)/(1 - cos A) = (cosec A + cot A)^(2)

sqrt((1-cos theta)/(1+cos theta))=cosec theta-cot theta (Prove It)

Prove the trigonometric identities: sqrt((1-cos theta)/(1+cos theta))=csc theta-cot theta

Show that sqrt((1+cos alpha)/(1-cos alpha))=cosec alpha + cot alpha

sqrt((1+cos theta)/(1-cos theta))=csc theta+cot theta

If sqrt((1+cos alpha)/(1-cos alpha))=cosec alpha + cot alpha , then the quadrants in which alpha lies are

Prove that , (Cot A-cos A)/(cot A+cos A)=(cosec A-1)/(cosec A+1)

Prove the following identities : cosec A (1 + cos A) (cosec A - cot A) = 1

Prove that : sqrt((1+cos theta)/(1-costheta))=cosec theta+ cot theta .