document.write( "Question 1050147: Find each value without using the calculator and please show the steps. Thank you.\r
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Algebra.Com's Answer #665748 by advanced_Learner(501)\"\" \"About 
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since
\n" ); document.write( "tan45=1\r
\n" ); document.write( "\n" ); document.write( "Arctan 1 is
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\n" ); document.write( "tan225=1
\n" ); document.write( "Arctan 1\r
\n" ); document.write( "\n" ); document.write( "225 degree
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