cos theta(tan theta+2)(2tan theta+1)=2sec theta+5sin theta

Prove that cos theta (tan theta +2) (2tan theta +1) = 2 sec theta + 5 sin theta

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

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

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

Prove the following identities: (sec-tan theta)/(sec theta+tan theta)=1-2sec theta tan theta+2tan^(2)theta

(sin theta tan theta)/(1-cos theta)=1+sec theta

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

(tan theta+sec theta-1)(tan theta+1+sec theta)=(2sin theta)/(1-sin theta)

Prove that (tan theta+ sin theta)/(tan theta-sin theta)= (sec theta+1)/(sec theta-1) OR Prove that (cosec theta- cot theta)^(2)=(1-cos theta)/(1+cos theta)