document.write( "Question 1157043: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.\r
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\n" ); document.write( "\n" ); document.write( "2 tan(5θ)
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\n" ); document.write( "1 − tan2(5θ)
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Algebra.Com's Answer #779840 by Alan3354(69443)\"\" \"About 
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Ambiguous. \n" ); document.write( "
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