Hello, lalitchugh!

I'll assume you're familiar with the Compound-Angle Identities . . .

I'll simplify each factor first . . .

The problem becomes: .

Results 1 to 2 of 2

- June 12th 2006, 11:22 PM #1

- Joined
- Jun 2006
- Posts
- 22

## Need help urently.

Hi,

I need to solve below Qs. Can anyone help ASAP.

1.

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, lalitchugh@yahoo.com

Thanks in advance

Lalit Chugh

- June 13th 2006, 08:41 AM #2

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 12,003
- Thanks
- 823