Given two points (1, 1) and (1,-1) are on a line . Write and equation in standard form of the line

Acircle has a circumference of 28.36 units what is the diameter of the circle

How is this equation completed? i cannot find any examples in the book.

The point (-7, -24) is on the terminal ray of angle 0 which is in standard position. a student found the six trigonometric values for angle e. the student's answers are shown. which value(s) are incorrect? sin(8) cos(8) 24 tan(0) sin(0)=25 cos(0) -- tan(ⓡ) - - 24 csc(o)=2 sec(0) --25 cot(6) - za csc(o) sec(0) cot(0) done