Q8: According to the U. S. Census Bureau, as of April 1, 2000, the total population of the United States was about 3×108 3 × 10 8 . The population of Vermont was 6×105 6 × 10 5 . The population of the U. S. was how many times the population of Vermont in April of 2000?

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answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

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step-by-step explanation: