document.write( "Question 539489: how do i solve this equation without using a calculator?\r
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document.write( "(cos (12 degrees)(cos (4 degrees) + (sin (12 degrees)(sin (4 degrees)= cos 16 degrees\r
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document.write( "thank you my email is fangirl96@yahoo.com \n" );
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Algebra.Com's Answer #353434 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! It's an identity, nothing to solve. \n" ); document.write( " \n" ); document.write( " |