Math question: What is the value of sin(π/4) in the unit circle chart?
+
What is the speed of a car traveling 120 km in 2 hours?
+
What is the value of f(x) when x = 10 in the logarithmic function f(x) = log(x), and what is the value of f(x) when x = e in the natural logarithmic function f(x) = ln(x)?