Evaluate f (90°) - f (-135°) where f(x) = sin x:​

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Draw a scaled copy of the circle using a scale factor of 2

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.