document.write( "Question 1170609: Let be an angle measure and let the real numbers a, b, c, cosx be such that they make the following equation true: acos^2x+bcosx+c Write the equivalent quadratic equation for a, b, c, cosx Compare the given and the obtained equality for a=4,b=2,c=-1 \n" ); document.write( "
Algebra.Com's Answer #795464 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Then re-post to the forum.\r
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\n" ); document.write( "\n" ); document.write( "Please do not post it to me personally.\r
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