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Home > PC3 > Chapter 11 > Lesson 11.1.3 > Problem 11-51


Given and is in Quadrant III , calculate each of the following values.

  1. What must the signs be for
    the coordinates in Quadrant III?

    Calculate the length of the hypotenuse in the diagram. Use it to determine .

  1. Follow a similar thinking process as shown in part (a).