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March 30, 2015

March 30, 2015

Posted by **meelizah** on Tuesday, November 27, 2012 at 11:46pm.

- calculus (Steve help plz) -
**Breanna**, Wednesday, November 28, 2012 at 10:31am1) if w = <-8, 15>, find ||w||?

2) which expression is equivalent to (sin x+1) (sin x -1)?

A. Cos^2x

B. -cos^2x

C. Cos^2x+1

D. Cos^2x-1

E. -cos^2x-1

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