document.write( "Question 888329: csc A cos A / sec A sin A = (csc^2A-1)
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Algebra.Com's Answer #537298 by Alan3354(69443)\"\" \"About 
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csc A cos A / sec A sin A = (csc^2A-1)
\n" ); document.write( "csc*cos/sec = (csc - sin)
\n" ); document.write( "cos/sec = 1 - sin^2
\n" ); document.write( "cos^2 = 1 - sin^2
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