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Answer 4.3:7

Revision as of 09:12, 3 April 2008 by Oskar (Talk | contribs)

a)	\displaystyle \sin{(x+y)}=\displaystyle \frac{4\sqrt{2}+\sqrt{5}}{9}
b)	\displaystyle \sin{(x+y)}=\displaystyle \frac{3\sqrt{21}+8}{25}