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Aaraar
05.05.2020 •
Mathematics
Arnold Palmer Hospital is studying the number of emergency surgery kits that it uses on weekends. Over the past 40 weekends, the number of kits used is as follows: Number of Kits Frequency 4 6 5 4 6 6 7 12 8 12 The following random numbers have been generated: 48, 74, 82, 6, 37, 4, 18, 43, 89, 63, 35, 78. (Note: Assume the random number interval begins at 01 and ends at 00.) Based on the given frequency distribution, for the given random number the number of emergency kits used is:
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Ответ:
sin x = opposite side / hypotenuse (the hypotenuse is the longest side ) so sin A in the given triangle = 5 / 13
cos x = adjacent side / hypotenuse. The adjacent side to angle A is AC so cos A = AC / 13
tan x = opposite side / adjacent side In the diagram tan A = 5 / AC
csc x = 1 / sin x = H / O ( H=hypotenuse and O = opposite) side
sec x = 1 / cos x = H/ A ( A = adjacent side)
cot x = 1 / tanx = A / O
In the triangle AC^2 = 13^2 - 5^2 = 144 so AC = 12 ( By Pythagoras)