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- Mar 5th 2008, 09:56 AMviciouspoultryTrig Indentity Help (Proof)
- Mar 5th 2008, 10:52 AMcolby2152
I tried this with no luck... tried multiplying out by the conjugates and then LCD's, but nothing...

- Mar 5th 2008, 11:46 AMKrizalid
- Mar 5th 2008, 03:21 PMSoroban
Hello, viciouspoultry!

Thought I'd try this one head-on . . .

Quote:

On the left, multiply the second fraction by

. .

Multiply by

Factor and reduce: .

Then we have: .