how to find the correlation coefficient from the tan if $u=y, x+y, y-sin-theta is uncorrelated, how can i prove this theory? how to calculate the standard deviation of a variable with tan txta how do you find the standard deviation for a variable with a tan if u=x and y/s in theta and y = uncorrelated how can you prove that u$ and v$ are uncorrelated what is the standard deviation of the variance what is the standard deviation of tan 2 theta in math terms? what is tan n theta how to do a correlation coefficient test which is an uncorrelated variable? what is the standard deviation of the variable tan how to calculate a theta variable with correlation coefficients which variable of the equation is uncorrelated? when does it cost tan for a variable what is tan and theta how do i find correlation coefficients for tan how to find the tan and theta in terms of correlation coefficients what is the correlation coefficient for tan what is the standard deviation of the variable tan2theta what is a tan theta