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July 7, 2015

Homework Help: Calculus (help Steve plz)

Posted by Breanna on Wednesday, November 28, 2012 at 10:33am.

1) 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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