document.write( "Question 630815: factor then simplify using trig identities\r
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Algebra.Com's Answer #397175 by reviewermath(1029)\"\" \"About 
You can put this solution on YOUR website!
\"%281+-+cos%5E2+%28x%29%29%5E2+=+%28sin%5E2+%28x%29%29%5E2\"
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