document.write( "Question 712405: Prove that :
\n" ); document.write( "csc x + 1 - csc x - 1 = 2 tan^2 (x) \n" ); document.write( "

Algebra.Com's Answer #437907 by Alan3354(69443) $\"\"$ $\"About$

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Prove that :
\n" ); document.write( "csc x + 1 - csc x - 1 = 2 tan^2 (x)
\n" ); document.write( "0 = 2tan^2(x)
\n" ); document.write( "-----------------
\n" ); document.write( "It doesn't.
\n" ); document.write( " \n" ); document.write( "

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