document.write( "Question 944548: Solve the equation 4 times cosine of theta plus 1 = 2 times cosine of theta fortheta greater than or equal to 0 but less than 2 pi.. \n" ); document.write( "
Algebra.Com's Answer #576016 by lwsshak3(11628)\"\" \"About 
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Solve the equation 4 times cosine of theta plus 1 = 2 times cosine of theta fortheta greater than or equal to 0 but less than 2 pi..
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\n" ); document.write( "4cosx+1=2cosx
\n" ); document.write( "2cosx+1=0
\n" ); document.write( "cosx=-1/2
\n" ); document.write( "x=5π/6, 11π/6
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