I'll assume you're familiar with the Compound-Angle Identities . . .
I'll simplify each factor first . . .
The problem becomes: .
I need to solve below Qs. Can anyone help ASAP.
Simplify: tan(180 – A) sec(90 + A) cosec (90 + A)
Sec (-A) cot (90 + A)
2. a) sec 120 b) sec 350 c) tan 40
Please mail me the solution on my mail id, firstname.lastname@example.org
Thanks in advance