document.write( "Question 1165792: value of an expression. find the exact value of the expression.
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Algebra.Com's Answer #790277 by ikleyn(52788)\"\" \"About 
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document.write( "cos(sin^-1 4/5) = \"sqrt%281-%284%2F5%29%5E2%29\" = \"sqrt%281+-+16%2F25%29\" = \"sqrt%289%2F25%29\" = \"3%2F5\".    ANSWER\r\n" );
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