Posted by kristen on Wednesday, July 16, 2008 at 6:35pm.
establish the identity:
thanks for any help at all
- trig - drwls, Wednesday, July 16, 2008 at 6:48pm
Is the final term
Is the numerator term (cotA cotB +1) or 1 ?
When you write equations like that, we can't tell what you mean.
I suggest you start with the identities for cos (A-B) and sin (A-B) and take the ratio of the two.
- trig - Anonymous, Saturday, May 11, 2013 at 12:02pm
multiplying and dividing by sinasins then it becomes
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