What is the value of sin(45Β°) + cos(30Β°) - tan(60Β°) + csc(90Β°) - sec(60Β°) + cot(45Β°)?
+
What is the value of f(x) = 2x - 3 when x = 5?
+
What is the sum of the lengths of the three special segments (altitude, median, angle bisector) in a triangle with sides measuring 5, 12, and 13 units?