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Correct me if I'm wrong but would the answer to this physics question be 1.57 rad/s? How to determine if cos(225degrees) is greater than zero, less than zero etc..? Hello,I would like to know if by any chance, at their universities or places of work information of the soursop (Annona muricata). Greetings? Kindly solve this? Prove that any self complementary graphs has 4n or 4n +1 points? If evolution is true, why are there still potatoes? They should have evolved into french fries?