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July 23, 2014

July 23, 2014

Posted by **Anne** on Friday, September 21, 2012 at 3:01pm.

326.31(cos 326.31° – isin 326.31°)

3.61(cos 326.31° – isin 326.31°)

326.31(cos 3.61° + isin 3.61°)

3.61(cos 326.31° + isin 326.31°)

- Calculus -
**Steve**, Friday, September 21, 2012 at 4:04pmr = √13, so it must be b or d

assuming that the angles are correct, the number is in IV, so (d) is the choice.

(since sin 326.31° < 0)

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