`(1+cos theta)/sin^2 theta`

(1+cos 2 theta)/(sin 2 theta)=cot theta

Prove that : (sin theta)/(1+cos theta) + (1+cos theta)/(sin theta)= 2 cosec theta .

Prove each of the following identities : (sin theta)/((1+ cos theta)) + ((1+ cos theta))/(sin theta) = 2 "cosec" theta

Prove that (1+cos theta)/(sin theta)=cot[(theta)/(2)]

Consider the following statements : 1. (sec^(2) theta-1)(1-cosec^(2)theta)=1 2. sin theta (1+ cos theta)^(-1) + (1+ cos theta)(sin theta)^(-1) = 2 cosec theta Which of the above is/are correct ?

(1-cos2theta)/(sin2theta)=

Simplify (1-cos2theta)/(sin2theta)

Prove the following (sec ^2theta -1) cos^2 theta=sin^2theta

Find the principal value of (1+cos^2theta)sin^2theta=1

Prove that (1 - cos 2 theta)/( sin 2 theta) = tan theta.