document.write( "Question 1108772: If A and B are acute angles such that sin(A) = 3/5 and cos(B) = 5/13, find tan(A+B) without evaluating A or B \n" ); document.write( "

Algebra.Com's Answer #723782 by ikleyn(52782) $\"\"$ $\"About$

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document.write( "1.  If  sin(A) = ,  then  cos(A) =  =  =  =  =  = ,  and, hence,  tan(A) =  =  = .\r\n" );
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document.write( "2.  If  cos(B) = ,  then  sin(B) =  =  =  =  =  = ,  and, hence,  tan(B) =  =  = .\r\n" );
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document.write( "3.  Now  tan(A+B) =  =  =  =  =  = .\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. tan(A+B) = $\"-63%2F16\"$ .\r
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