----- - ----- = 1
CosA Cot A
Please help, I don't know where to start or how to complete this.
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Rewrite everything in terms of sine and cosine.
Think of the pythagorean identity
See how it can be re-arranged to look like
Now, how are and related?
How are and related?
Last edited by amillionwinters; Nov 9th 2012 at 05:10 PM.
Do you know any basic identities . . . like these? . .
If you don't, you need more help than we can offer.
We have: .
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