document.write( "Question 1038841: Use the Quadratic Formula to solve the equation in the interval [0, 2π). Then use a graphing utility to approximate the angle x. (Enter your answers as a comma-separated list. Round each answer to four decimal places.)\r
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Algebra.Com's Answer #653596 by ikleyn(52797) $\"\"$ $\"About$

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\n" ); document.write( "Use the Quadratic Formula to solve the equation in the interval [0, 2π). Then use a graphing utility to approximate the angle x.
\n" ); document.write( "(Enter your answers as a comma-separated list. Round each answer to four decimal places.)\r
\n" ); document.write( "\n" ); document.write( "tan^2 x + 5 tan x + 3 = 0
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document.write( "Introduce new variable u = tan(x).\r\n" );
document.write( "Then your equation becomes\r\n" );
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document.write( " = .\r\n" );
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document.write( "Solve this quadratic equation by quadratic formula. You will get\r\n" );
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document.write( " =  = .\r\n" );
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document.write( " =   --->  tan(x) =   --->  x =   --->  apply your calculator.\r\n" );
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document.write( " =   --->  tan(x) =   --->  x =   --->  apply your calculator.\r\n" );
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