Uv and rv are secant segments that intersect point v. what is the length of tv

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Find cot x if sin x cot x csc x = √2

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.