Moreover, everything you need can be found on your Left Hand.
The Unit Circle has an easy to follow pattern, and all we have to do is count and look for symmetry. If it were me, I’d just want to count and not have to memorize a table, and that’s what I’m going to show you. Ok, so there are two ways you can do this: If the radius is a length of 1, then that means that every Reference Triangle that we create has a hypotenuse of 1, which makes it so much easier to compare one angle to another.Įverything you see in the Unit Circle is created from just three Right Triangles, that we will draw in the first quadrant, and the other 12 angles are found by following a simple pattern! In fact, these three right triangles are going to be determined by counting the fingers on your left hand! Why make a circle where the radius is 1, you may ask? Well, the Unit Circle, according to RegentsPrep, is a circle with a radius of one unit, centered at the origin.
Together, we are going to become human calculators, and bring our mathematical genius to life! No more getting frustrated when asked to evaluate or memorize each and every coordinate.No more trying to calculate all those angles.In the video below, I’m going to show my simple techniques to quickly Memorize the Radian Measures and all Coordinates for every angle! The good thing is that it’s fun and easy to learn!Įverything you need to know about the Trig Circle is in the palm of your hand. The Unit Circle is probably one of the most important topics in all of Trigonometry and is foundational to understanding future concepts in Math Analysis, Calculus and beyond.
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