Question

prove that 1+ cos tita / 1- cos tita +1 - cos tita /1+ cos tita =2 cosec tita ​

Answer 1

Answer:

1+cos/1-cos+1-cos/1+cos

1+cos^2+1-cos^2/sin^2

1+cos^2+sin^2/sin^2

2/sin^2

2/1/cosec^2

2cosec