In the following question, would the answer be 22.5 or -22.5?

http://imageshack.us/m/862/1426/vectors.png

The answer in the back of the book says 22.5 so I'm not sure if I'm missing something or if it's a typo.

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- May 22nd 2011, 11:38 AMIanCarneyVectors dot prodoct question/clarification
In the following question, would the answer be 22.5 or -22.5?

http://imageshack.us/m/862/1426/vectors.png

The answer in the back of the book says 22.5 so I'm not sure if I'm missing something or if it's a typo. - May 22nd 2011, 11:47 AMPlato
- May 22nd 2011, 11:49 AMTheEmptySet
- May 22nd 2011, 12:05 PMIanCarney