G GRVT Guest Mar 10, 2010 #1 Find the exact value of the expression whenever it is defined. sin[2 arccos( -3/5)] = cos[2 sin-1( 3/5)] = tan[2 tan-1( 8/15)]
Find the exact value of the expression whenever it is defined. sin[2 arccos( -3/5)] = cos[2 sin-1( 3/5)] = tan[2 tan-1( 8/15)]
