document.write( "Question 611301: Given than costheta=-1/2, determine the value(s) of 'theta' over the interval [0degrees, 360degrees].\r
\n" ); document.write( "\n" ); document.write( "I am not really sure what the question is asking for, so therefore I haven't really had much to go off of to try much. I do not know what they mean by 'interval', so that confuses me in this situation.
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Algebra.Com's Answer #384895 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
cos(x) = -1/2\r
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\n" ); document.write( "\n" ); document.write( "x = arccos(-1/2)\r
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\n" ); document.write( "\n" ); document.write( "x = 120 or x = 240
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