The graphs of trigonometric functions have several properties to elicit. To be able to graph these functions by hand, we have to understand them. Before we progress, take a look at this video that describes some of the basics of sine and cosine curves.
Quick Answer. Ng/ml stands for nanograms per milliliter. This unit of measurement is often used for lab test results. For example, results of lab tests taken to check the levels of progesterone in the human blood are measured in nanograms per milliliter. Continue Reading.
The units of measurement mg and ml stand for milligrams and milliliters, respectively. Milligrams measure an object's mass, while milliliters measure the volume of liquids. The prefix milli means a fraction of a thousand, which means milligrams (1/1000 gram) and milliliters (1/1000 liter) measure very small quantities. Keep Learning.