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posted by Kay Thursday, September 20, 2007 at 12:49am.
establish identity sec 0/1 + sec0 = 1 - cos0/sin^2 0
Do you mean sec 0/(1 + sec 0) ? On the right side,do you mean (1 - cos 0)/sin^2 0? You need to use parentheses to make your equations unambiguous.
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