Chapter Closure
Sign In
Use the unit circle to identify the cosine value and sine value when the angle of rotation is 0^(∘).
See solution.
Let's draw the graphs of y=sin x and y= cos x without labeling them.
When the angle of rotation is 0^(∘), the graph of y=cos x should have a value of 1 and the graph of y=sin x should have a value of 0. With this information, we can identify which curve shows which function.
