" 38.Prove that: "(cos A)/(1+sin A)+(1+sin A)/(cos A)=2sec A

(cos A)/(1+sin A)+(sin A)/(cos A)=sec A

Prove: (1+cos A)/(sin A)=(sin A)/(1-cos A)

Prove that : (cos A)/(1 + sin A) = sec A - tan A

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

Prove the following identities, 0^(@) le theta le 90^(@) . (ii) (cos A)/(1+ sin A) + (1+sin A)/(cos A) = 2 sec A

Prove that (1+sec A)/(sec A)=(sin^(2)A)/(1-cos A)

Prove the following identity,where the angles invorved are acute angles for which the expressions are defined.(ii) (cos A)/(1+sin A)+(1+sin A)/(cos A)=2sec A

To prove '(cos A / 1 + sin A) + (1 + sin A / cos A) = 2sec A

Prove that: (1 + sec A)/(sec A)= (sin^(2)A)/(1-cos A)

Prove that (sin A)/(1 + cos A) + (sin A)/(1 - cos A) = 2 cosec A.