Step 
<u>Find the length of the side MN</u>
we know that
Applying the Pythagorean Theorem

Solve for MN

in this problem

Substitute in the formula above



Step 
<u>Find the value of cos (M)</u>
we know that
in the right triangle MNL


Substitute



therefore
The answer is
The value of cos(M) is equal to 
The answer is.................
A!!!!!!!!!!!!
Answer:
(-3,3) and (-3,-5)
Step-by-step explanation:
Step 1: <u>y2 - y1</u>
x2 - x1
Step 2: Plug In. --> <u>-5 - 3</u>
-3 - (-3)
Step 3: Solve. --><em> </em><em><u>-8</u></em>
<em> 0</em>
Answr: <em><u>Undefined. Vertical Line on Graph.</u></em>