document.write( "Question 932129: verify that 1 - cos^2 0/1 + cot^2 0 = sin^4 0\r
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Algebra.Com's Answer #565981 by Alan3354(69443)\"\" \"About 
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verify that 1 - cos^2 0/1 + cot^2 0 = sin^4 0
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\n" ); document.write( "sin^2/csc^2 = sin^4
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