Mathematics, 26.07.2021 19:20 khynia11
Tính giá trị của biểu thức lượng giác, biết a) sin(a-b) , cos(a+b) , tan(a+b) khi sin a = 8/17 , tan b = 5/12 b) cos(π/3-a) khi sin a = -12/13 , 3π/2 < a < 2π c) tan(a+π/3) khi sin a = 3/5 , π/2 < a < π
Answers: 1
Mathematics, 21.06.2019 13:20
Given f(x) = 10x + 4 and g(x) = 3x - 8, what is f(x) + g(x) ? - 7x - 4 - 13x + 4 - 7x + 4 - 13x - 4
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Mathematics, 21.06.2019 18:30
What is the value of x in the following equation? -3x-2=2x+8
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Mathematics, 21.06.2019 19:30
Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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Mathematics, 21.06.2019 20:30
choose the correct definition for extremo. a. end b. extra c. extract d. eventual
Answers: 2
Tính giá trị của biểu thức lượng giác, biết a) sin(a-b) , cos(a+b) , tan(a+b) khi sin a = 8/17 , tan...
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