C. (-2,1)
Hope this helps<3
Answer:

Step-by-step explanation:
A unit circle is defined as a circle of unit radius (that is the radius of the circle is equal to 1). In trigonometry, the unit circle is a circle with a radius of 1, while centered at the origin (0, 0) in the Cartesian coordinate.
In the unit circle below, we can see that the line touches the unit circle at point
, therefore to find the tangent of theta, we use the formula:

Answer: 13
Step-by-step explanation:
You draw 13 different coloured dots and change their position
16.5 is what I got for x you add them up and equal them to 180 because its a straight line