document.write( "Question 1028460: if A and B are angles such that tana=1/3 and tanb =1/4 find and simplify a numerical value for tan ( a+b) \n" ); document.write( "
Algebra.Com's Answer #643553 by ikleyn(52835)\"\" \"About 
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\n" ); document.write( "if A and B are angles such that tana=1/3 and tanb =1/4 find and simplify a numerical value for tan ( a+b)
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document.write( "tan(A+B) = \"%28tan%28A%29%2Atan%28B%29%29%2F%281-tan%28A%29%2Atan%28B%29%29\"   \r\n" );
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document.write( "(see the lesson A HRE=https://www.algebra.com/algebra/homework/Trigonometry-basics/Addition-and-subtraction-formulas.lesson>Addition and subtraction formulas in this site.) \r\n" );
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document.write( "Substitute the given data, and you will get\r\n" );
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document.write( "tan(A+B) = \"%28%281%2F3%29%2A%281%2F4%29%29%2F%281-%281%2F3%29%2A%281%2F4%29%29\" = \"%28%281%2F12%29%29%2F%281-1%2F12%29\" = \"1%2F11\". \r\n" );
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