Me what is 8.4 divided by 711.9 i need shown work you so much

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

What does the relationship between the mean and median reveal about the shape of the data

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93