[" 12."(tan theta)/((1-cot theta))+(cot theta)/((1-tan theta))=(1+sec theta cos ec theta)],[" Sol: "]

(tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec theta cosec theta

tan theta/(1-cot theta)+cot theta/(1-tan theta)=1+sec theta cosec theta

tan theta/(1-cot theta)+cot theta/(1-tan theta)=1+sec theta cosec theta

tan theta/(1-cot theta)+cot theta/(1-tan theta)=1+sec theta cosec theta

Prove each of the following identities : (tan theta)/((1-cot theta)) + (cot theta)/((1- tan theta)) = (1+ sec theta "cosec" theta)

prove that: (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec theta cosec theta

Prove that (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta) = (sec theta cosec theta +1)

Prove the following identity,where the angles involved are acute angles for which the expressions are defined.(iii) (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec theta cos ec theta

Prove the following identity : (tan theta)/(1-cot theta)+ (cot theta)/(1-tan theta)= 1+sec theta cosec theta .

Prove that (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec theta+tan theta