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posted by Hannah Monday, March 15, 2010 at 4:09pm.
1)(1-cos^2x)(csc x) ? Is this equal to sec x? 2) Expand: log7 3 sqrt x / x^2y 3) Find and simplify: f(g) F(x) = x^2 + 2x g(x) = 2x x^2 + 2x(2x) = x^2 + 4x Is this correct?
see http://www.jiskha.com/display.cgi?id=1268686417
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