document.write( "Question 1165797: value of an expression. find the exact value of the expression.
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Algebra.Com's Answer #790279 by ikleyn(52787)\"\" \"About 
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document.write( "cos(sin^-1 12/13) = \"sqrt%281-%2812%2F13%29%5E2%29\" = \"sqrt%281+-+144%2F169%29\" = \"sqrt%2825%2F169%29\" = \"5%2F13\".    \r\n" );
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document.write( "Therefore,  sec(sin^-1(12/13)) = \"1%2Fcos%28sin%5E-1%2812%2F13%29%29\" = \"13%2F5\".   ANSWER\r\n" );
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