can anyone proove this?

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Posted by alison on June 02, 1999 at 23:27:24:

here it is:

a,b,+c are angles of a triangle

sin2a + sin2b + sin2c = 4sinasinbsinc

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Re: can anyone proove this? Guru 14:09:28 5/25/100 (0)

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Comments: : here it is: : a,b,+c are angles of a triangle : sin2a + sin2b + sin2c = 4sinasinbsinc

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