2yd 2ft 6in minus 1 ft 11in

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )