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rothermelm
26.09.2019 •
Mathematics
What is the difference between arctan and inverse tan?
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Ответ:
It is not the same function.
arctan (tan(x))=x
1/tan(x) * tan(x)=1
in the file jointed,
arctan x is in blue
1/tan x in red.
Ответ:
If the correlation coefficient is 1, then the slope must be 1 as well.
Step-by-step explanation:
Coefficient of correlation is used in statistics to determine the relationship between two variables. Correlation coefficient and slope always have same sign. It measures the strength of linear relation between two variables. The values of correlation coefficient ranges between 0 to 1. where 0 determines that there is no relationship between two variables.