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Home > PC > Chapter 4 > Lesson 4.2.3 > Problem 4-103

4-103.
  1. Checkpoint iconSketch a unit circle. In your circle, sketch an angle in standard position so that the angle has: Homework Help ✎

    1. A positive cosine and a negative sine.

    2. A negative cosine and a negative sine.

Any angle in Quadrant 4.

Any angle in Quadrant 3.