document.write( "Question 829942: Find the missing parts using the Cosine Law.\r
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\n" ); document.write( " b = 8 B = ?
\n" ); document.write( " c = 10 C = ?
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Algebra.Com's Answer #500272 by math-vortex(648) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi, there--\r\n" );
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document.write( "THE PROBLEM:\r\n" );
document.write( "Find the missing parts using the Cosine Law:\r\n" );
document.write( "a =   ?     A =  40º            \r\n" );
document.write( "b =   8    B =   ?             \r\n" );
document.write( "c =   10  C =   ?    \r\n" );
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document.write( "A SOLUTION:\r\n" );
document.write( "The Cosine Rule can be written in three forms:\r\n" );
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document.write( "Use the first form to solve for a\r\n" );
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document.write( "Use the second form to solve for angle B.\r\n" );
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document.write( "Use the third form to solve for angle C.\r\n" );
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document.write( "a = 6.4  A =  40º            \r\n" );
document.write( "b = 8    B =   52.8º             \r\n" );
document.write( "c = 10  C =   87.0º    \r\n" );
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document.write( "These values are approximate, rounded to the tenths place.\r\n" );
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document.write( "Hope this helps! Feel free to email if you have any questions about the solution.\r\n" );
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document.write( "Good luck with your math,\r\n" );
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document.write( "Mrs. F\r\n" );
document.write( "math.in.the.vortex@gmail.com\r\n" );
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