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http://edugen.wiley.com/edugen/courses/crs1650/art/qb/qu/c03/eq03_84.gif

**My Answers:**

a) (-3.18m)i + (4.73m)j

b) 5.70 m

**c) -56.09 degrees**

Part C was marked wrong and I don't understand why.... i did tan inverse of (4.73/-3.18) to get my answer. Could someone tell me what I did wrong?