" 4.Prove that "(sec theta-tan theta)^(2)=(1-sin 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)

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

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

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

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

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

Prove that (1+sin theta)/(1-sin theta)-(1-sin theta)/(1+sin theta)=4sec theta tan theta

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

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