What is the equation of a cubic function with characteristics that include a positive leading coefficient, one real root, and two complex conjugate roots?
+
What is the value of sin(45°) + cos(30°) - tan(60°) + csc(90°) - sec(60°) + cot(45°)?
+
What is the result of adding the vectors u = (3, -2) and v = (-5, 7)?