document.write( "Question 1059661: Show that cos x / 1 + sin x + cos x / 1 - sin x = 2 sec x \n" ); document.write( "

Algebra.Com's Answer #674688 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "Show that cos x / 1 + sin x + cos x / 1 - sin x = 2 sec x
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document.write( " +   =  =  =  =  = 2sec(x)\r\n" );
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document.write( "QED.\r\n" );
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