Which trigonometric identity is INCORRECT? A: sin^2 x + cos^2 x = 1

B: tan x = (sin x)/(cos x)

C: sin x = 1/(csc(x))

D: tan^ 2 x 1 sec^ 2 x​

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce