Prove that
`cot^(2)A ((secA-1)//(1+sinA))+sec^(2)A((sinA-1)/(1+secA))=0`

Prove: (cot^2A(secA-1))/(1+sinA)=sec^2A((1-sinA)/(1+secA))

Prove the following identities: (sinA+secA)^2+(cos"A"+"c o s e cA")^2=(1+secAcos e cA)^2 cot^2A((secA-1)/(1+sinA))+sec^2A((sinA-1)/(1+secA))=0

Prove that 1+tan^2A/(1+secA)=secA

Prove that 1+tan^2A/(1+secA)=secA

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

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

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

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