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)\"\" \"About 
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Evaluate cos(arcsin (12/13) + arctan (3/4)) . (No calculator answers, please-show all of your work, writing your final answers as a fraction)
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\n" ); document.write( "If the sin is 12/13, y = 12 when r = 13
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\n" ); document.write( "The x = sqrt[r^2-y^2] = sqrt[169-144] = sqrt(25) = 5
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\n" ); document.write( "Ans: cos = x/r = 5/13
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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