document.write( "Question 1042505: Solve sin^2θ − 5cosθ = 5 for 0°≤θ≤360° \n" ); document.write( "

Algebra.Com's Answer #657503 by ikleyn(52879) $\"\"$ $\"About$

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\n" ); document.write( "Solve sin^2(theta) - 5cos(theta) = 5 for 0° <= theta < 360°.
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document.write( "Replace  by  to have the equation for  only. You will get\r\n" );
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document.write( " = ,  or\r\n" );
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document.write( " = .\r\n" );
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document.write( "Factor left side:\r\n" );
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document.write( " = .\r\n" );
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document.write( "Then the equation deploys in two equations:\r\n" );
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document.write( "1)   = ,  or   = ,  which has no solutions,  and\r\n" );
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document.write( "2)   = ,  or   = ,  which has the solution  = 180°.\r\n" );
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document.write( "Answer.  The solution is  = 180°.\r\n" );
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