" 1."(1)/(sec A-1)+(1)/(sec A+1)=2cosec A cot A

Prove that (tan A)/(sec A-1)+(tan A)/(sec A+1)=2 cosec A .

Prove that (tan A)/(sec A -1) + (tan A)/(sec A +1) = 2 cosec A

Prove that (i) (tan A+ sin A)/(tan A- sin A)= (sec A+1)/(sec A-1) (ii) (cot A- cos A)/(cot A+ cos A)= ("cosec" A-1)/("cosec" A+1)

(tan A)/(1+sec A)-(tan A)/(1-sec A)=2cosec A

Prove the following identities : ((cosec A - cot A)^(2) + 1)/(sec A (cosec A - cot A)) = 2 cot A

Prove that (sin A)/(sec A + tan A -1)+ (cos A)/("cosec "A +cot A-1)=1

Prove the following identities : (sec A)/ (sec A + 1) + (sec A)/ (sec A - 1) = 2 cosec^(2) A

" (i) "(1+sec A+tan A)(1-cosec A+cot A)=2

(1)/(sec^2A)+(1)/(cosec^2A) = …………….