What’s the midpoint of (9,10) and (-9,-10)

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes