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Hey everyone! I need some help on a math problem. What is the exact value: Sin(Cos^-1(5/6)-tan^-1(1/3)).? How many kilometers can you run in 22 minutes? On a scale 1-10 how nerdy is Brent woodson? Average weight is 182.9 pounds and standard deviation is 40.8 pounds, what is the probability a person will be less than 174 pounds? What is the reason behind simplifying a fraction? please explain, thank you?