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Home > PC > Chapter 5 > Lesson 5.1.2 > Problem 5-24
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. Does
?