document.write( "Question 679902: Evaluate cos(arcsin (12/13) + arctan (3/4)) . (No calculator answers, please-show all of your work, writing your final answers as a fraction) \n" ); document.write( "
Algebra.Com's Answer #422115 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Evaluate cos(arcsin (12/13) + arctan (3/4)) . (No calculator answers, please-show all of your work, writing your final answers as a fraction) \n" ); document.write( "------ \n" ); document.write( "If the sin is 12/13, y = 12 when r = 13 \n" ); document.write( "--- \n" ); document.write( "The x = sqrt[r^2-y^2] = sqrt[169-144] = sqrt(25) = 5 \n" ); document.write( "----- \n" ); document.write( "Ans: cos = x/r = 5/13 \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |