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Answer 4.3:7

Revision as of 14:57, 8 September 2008 by Tekbot (Talk | contribs)

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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}