" 51."1+(cot^(2)theta)/(1+cosec theta)=cosec theta

1+(cot^(2)theta)/(1+csc theta)=csc theta

Prove that (cot^(2)theta)/(cosec theta+1)=cosec theta-1

show that 1 + (cot^2 theta/ (1 + cosec theta)) = cosec theta

(b) cosec theta=1+cot theta

(b) cosec theta=1+cot theta

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

Prove that: ("cosec" theta + cot theta)/("cosec" theta - cot theta) = ("cosec" theta + cot theta )^(2) = 1 + 2 cot^(2) theta + 2 "cosec" theta cot theta .

prove that (cosec theta + cot theta)/(cosec theta- cot theta) = (cosec theta +cot theta)^2

Prove each of the following identities : (i) (1+ cos theta)(1- cos theta)(1+ cot^(2) theta)=1 (ii) "cosec" theta (1+ cos theta)("cosec" theta - cot theta)=1

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