document.write( "Question 635397: Hello, I'm a little stuck...
\n" ); document.write( "The question is:
\n" ); document.write( "prove that (sin(4x)(1-cos(2x)))/(cos(2x)(1-cos(4x))) = tanx for 0 < x < (pi)/2 , x cannot equal (pi)/4 \r
\n" ); document.write( "\n" ); document.write( "Thankyou for your help!
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Algebra.Com's Answer #400288 by jsmallt9(3758)\"\" \"About 
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