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September 21, 2014

September 21, 2014

Posted by **kalpana** on Friday, September 5, 2008 at 9:23am.

then prove

tan(p+q)=2ac/a2-c2

- trig -
**drwls**, Friday, September 5, 2008 at 9:27amp and q are not in the first equation.

Your second equations lacks needed parentheses and exponent (^) symbols in the denominator

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