" 10.) "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 the following identity: cos theta(tan theta+2)(2tan theta+1)=2sec theta+5sin theta

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

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

Prove that : (sec theta-tan theta)/(sec theta+tan theta)= 1-2 sec theta tan theta+ 2 tan^2 theta .

Find the value मान ज्ञात करें : (sin theta+cos theta-1)/(sin theta-cos theta+1)xx(tan^2 theta (cosec^2 theta -1))/(sec theta -tan theta )

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

Prove that :(cos theta-sin theta)/(cos theta+sin theta)=sec2 theta-tan2 theta

Prove (tan theta+2)(2tan theta+1)=5tan theta+2sec^(2)theta

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