The unit circle has a radius of 1 unit, then to find the trigonometry function of an angle using it we will use a point on it (x, y)
To find cos(m) we will divide the adjacent side by the hypotenuse
The adjacent side is x
The hypotenuse is r = 1, then
[tex]cos\left(m\right)=\frac{x}{1}=x[/tex]
Then:
x corresponding to cosine
To find sin(m) we will divide the opposite side by the hypotenuse
The opposite side is y
The hypotenuse is r = 1, then
[tex]sin\left(m\right)=\frac{y}{1}=y[/tex]
Then:
y corresponding to sine
