document.write( "Question 745322: If sin(2x+30)0 degree = cos 40 degree..find x
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Algebra.Com's Answer #453818 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! If sin(2x+30)0 degree = cos 40 degree..find x \n" ); document.write( "sin(2x+30)=cos(40)≈0.7660 \n" ); document.write( "2x+30=sin^-1≈50 \n" ); document.write( "2x≈20 \n" ); document.write( "x≈10º \n" ); document.write( " \n" ); document.write( " |