document.write( "Question 1114122: If cos A = -1/sqrt(2), determine the possible measures of angle A. \n" ); document.write( "

Algebra.Com's Answer #729143 by ikleyn(53937) $\"\"$ $\"About$

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document.write( "cos(A) =    ====>\r\n" );
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document.write( "cos(A) =   ====>\r\n" );
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document.write( "A =    or   A = .\r\n" );
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document.write( "Answer.  There are two solutions in the interval [0,):  A =    or   A = .\r\n" );
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