document.write( "Question 726193: Please help me solve this equation.
\n" ); document.write( "(a) Solve the equation on the given interval, expressing the solution for x in terms of inverse trigonometric functions. (Enter your answers as a comma-separated list.)
\n" ); document.write( "(tan x)2 + 5 tan x − 36 = 0 on (−π/2, π/2)
\n" ); document.write( "x = \r
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "(b) Use a calculator to approximate the solution in part (a) to three decimal places. (Enter your answers as a comma-separated list.)
\n" ); document.write( "x =
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Algebra.Com's Answer #444505 by fcabanski(1391)\"\" \"About 
You can put this solution on YOUR website!
For easy manipulation set tan(x) = x. Then the equation is \"x%5E2+%2B+5x+-36=0\"


\n" ); document.write( "\"%28x%2B9%29%28x-4%29=0\" so x=-9 and x=4.


\n" ); document.write( "tan(x) = -9 (use calculator and inv tan) arctan(-9)= (part b.)-83.660 degrees


\n" ); document.write( "tan(x) = 4 and arctan(4) = (part b.)75.964 degrees
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Hope the solution helped. Sometimes you need more than a solution. Contact fcabanski@hotmail.com for online, private tutoring, or personalized problem solving (quick for groups of problems.) \n" ); document.write( "

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