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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?

    Circle, center at the origin, right triangle in third quadrant, horizontal leg labeled, negative square root of 7, vertical leg labeled, negative 3, angle from positive x axis, to the radius, labeled, beta.

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

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