document.write( "Question 149728: Should the triangle be solved beginning with Law of Sines, or Laws of Cosines. Then solve the triangle and round to the nearest tenth. A=56 degrees, B=38 degrees, a=13. \n" ); document.write( "
Algebra.Com's Answer #109848 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Should the triangle be solved beginning with Law of Sines, or Laws of Cosines. Then solve the triangle and round to the nearest tenth. A=56 degrees, B=38 degrees, a=13. \n" ); document.write( "------------------ \n" ); document.write( "Law of Sines: \n" ); document.write( "b/sinB = a/sinA\r \n" ); document.write( "\n" ); document.write( " b/sin(38) = 13/sin(56)\r \n" ); document.write( "\n" ); document.write( "b = sin(38)\r \n" ); document.write( "\n" ); document.write( "b = 9.65408...\r \n" ); document.write( "\n" ); document.write( "----------------- \n" ); document.write( "C = 180 - (56 + 38) = 86 degrees \n" ); document.write( "----------------- \n" ); document.write( "c = sin(86) = 15.6426... \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |