document.write( "Question 174441: 18. write the expression as the sin,cos,tan
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document.write( "sin140cos50+cos140sin50 \n" );
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Algebra.Com's Answer #129491 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! You have to recognize that this is the formula for the DIFFERENCE of sines.\r \n" ); document.write( "\n" ); document.write( "sin(140-50) = sin 90 = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 \n" ); document.write( " |