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2sec^x-2sec^2x sin^2x

i've done problems like this before, but i was always able to change a term to cancel out something
12/12/2013 | Mikayla from Mountlake Terrace, WA | 1 Answer | 0 Votes
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1 Answer

2sec^x-2sec^2x sin^2x
= 2sec^x(1-sin^2x)
= 2sec^x cos^2x
= 2 <==Answer
12/12/2013 | Robert J.