document.write( "Question 1172880: Find the value of:\r
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Algebra.Com's Answer #798040 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "  does not exist,\r\n" );
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document.write( "since the sec values can not be in the interval (-1,1).\r\n" );
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document.write( "They ALWAYS are out of this interval.\r\n" );
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