Home > PC > Chapter 5 > Lesson 5.1.2 > Problem 5-24
Sketch a unit circle. In your circle, sketch an angle between
A positive cosine and a negative sine.
A sine of
A negative cosine and a negative sine.
A cosine of about
and a sine of about .
Could an angle have a sine equal to
and cosine equal to ? Give an angle or explain why not.