# mathematics trignometry

posted by
**Anonymous**
.

prove that the following are identity

1. (cotA+cosecA-1)/(cotA-cosecA+1)=cosecA+cotA

2. (sinA-cosA+1)/(sinA+cosA-1)=

1/(secA-tanA)

posted by
**Anonymous**
.

prove that the following are identity

1. (cotA+cosecA-1)/(cotA-cosecA+1)=cosecA+cotA

2. (sinA-cosA+1)/(sinA+cosA-1)=

1/(secA-tanA)