Prove that, ` sqrt ((1-sinA)/ (1+sinA))` = `(secA-tanA)`

Prove: sqrt((1+sinA)/(1-sinA))=secA+tanA

Prove that: i) sqrt((1-cosA)/(1+cosA))="cosec"A-cotA ii) sqrt((1+sinA)/(1-sinA))=secA-tanA

Prove that : sqrt((1+sinA)/(1-sinA))-sqrt((1-sinA)/(1+sinA))=2tanA

Prove that : (secA+tanA)(1-sinA)=cosA

Prove the following identity, where the angles involved are acute angles for which the expressions are defined. sqrt((1+sinA)/(1-sinA))=secA+tanA

Prove that : (cosA)/(1+sinA)+(1+sinA)/(cosA)=2secA.

Prove: (secA-tanA)^2=(1-sinA)/(1+sinA)

Prove that: " "( tan A + sinA)/(tanA - sinA) = (sec A +1)/(secA -1)

Prove that: (1+sinA-cosA)/(1+sinA+cosA) = tan(A/2)

i) Prove that: [(1-sinA)/(1-secA)-(1+sinA)/(1+secA)]=2cotA(cosA-"cosec"A)