document.write( "Question 1198715: cos (x) = 1 / sqrt 2 \n" ); document.write( "

Algebra.Com's Answer #832358 by ikleyn(52847) $\"\"$ $\"About$

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document.write( "Given :    cos(x) =  = .\r\n" );
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document.write( "ANSWER :  x =   or  x =   (two solutions).\r\n" );
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