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Mathematics, 01.04.2021 16:40, 4300224102
Use the trigonometric subtraction formula for sine to verify this identity (pi/2-x)=cos x
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Mathematics, 21.06.2019 17:20, kolbehoneyman
Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem
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Mathematics, 21.06.2019 22:30, cordobamariana07
The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.
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Use the trigonometric subtraction formula for sine to verify this identity (pi/2-x)=cos x...
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