5! = 1203^4 = 81sin(1) = 0.84147098cos(5) = 0.28366219sin(-2) = -0.90929743cos(-10) = -0.83907153sin(45°) = 0.70710678e^2 = 7.3890561ln(2) = 0.69314718lg(3) = 0.47712126