What is sin(11pi/6)?
The reference angle is (pi/6) and sin(pi/6) is 1/2. Since 11pi/6 is in the 4th quadrant, the sign of sin is negative so sin(11pi/6) is -1/2.
Adam and Ella buy a pie of pizza. Ella eats half of what Adam eats. Adam eats 1/4 of the pie. How much does Ella eat?
If Ella eats half of Adam, you divide (1/4) by 2 or multiply (1/4) x (1/2). Ella ate 1/8 of the pie, or 1 slice of pizza.
What is the derivative of e^(x^3)?
3(x^2)e^(x^3) The derivative of e^(anything) is e^(anything) x (derivative of anything). So the derivative of whats in the parentheses is 3x^2 so the derivative of the whole equation is the product of e^(x^3) and 3x^2.