a scientist measured the water pressure at different depths. she made a table showing her findings. the x values represent the depth, in meters the y values represent the pressure in atmosphere

Find cot x if sin x cot x csc x = √2

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

Given right triangle abc, what is the value of tan(a)?