<span>Naming of rays
Rays are commonly named in two ways:
By two points.
In the figure at the top of the page, the ray would be called AB because starts at point A and passes through B on it's way to infinity. Recall that points are usually labelled with single upper-case (capital) letters. There is a symbol for this which looks like this: AB This is read as "ray AB". The arrow over the two letters indicates it is a ray, and the arrow direction indicates that A is the point where the ray starts.
By a single letter. (I have not seen this done.)
The ray above would be called simply "q". By convention, this is usually a single lower case (small) letter. This is normally used when the ray does not pass through another labeled point.</span>
From my notes I’ve the derivative of arctan(x)= 1/(1+x^2)
Answer:
ASA i think
Step-by-step explanation:
because if you start anywhere on the triangle you start at an angle
Mathematically, a ray is a portion of a line which starts at a point and goes off in a particular direction to infinity.
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