document.write( "Question 918669: Which trigonometic function is equivilant to this expression sin 2 x
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document.write( " 2 sin x
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Algebra.Com's Answer #557161 by ewatrrr(24785) You can put this solution on YOUR website! sin 2x/2sinx = 2sinxcosx/2sinx = cosx \n" ); document.write( " |