document.write( "Question 1205809: B. Rewrite each expression as a function of a single angle. You do not need to solve for the function at that angle.\r
\n" ); document.write( "\n" ); document.write( " tan 28° + tan 77° / 1 - ( tan 28°)( tan 77° ) \n" ); document.write( "

Algebra.Com's Answer #842851 by ikleyn(53937) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Rewrite each expression as a function of a single angle.
\n" ); document.write( "You do not need to solve for the function at that angle.
\n" ); document.write( " $\"%28tan%2828%5Eo%29+%2B+tan%2877%5Eo%29%29%281+-+tan%2828%5Eo%29%2Atan%2877%5Eo%29%29\"$
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document.write( "Use the formula of adding arguments for tangent function\r\n" );
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document.write( "    tan(a+b) = \r\n" );
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document.write( "and get\r\n" );
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document.write( "   = tan(28°+77°) = tan(105°).    ANSWER\r\n" );
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document.write( "The last expression is what you want to get.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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