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2-151.

Sketch a graph of the unit circle with the angles specified below. 

  1.  

    Divide the top half of the circle ( radians) into six pieces. Select the arc of the first piece.

    Circle with top half divided into 6 equal sections, the arc on the first section that has one side on the positive, x axis, is highlighted & labeled 1 sixth pi.

  1.  

    Divide the top half of the circle ( radians) into four pieces. Select the arc of three of these pieces.

    Circle with top half divided into 4 equal sections, 3 of the 4 arcs, starting with the first section that has one side on the positive, x axis, are highlighted & labeled 3 fourths pi.

  1.  

    Divide the top and bottom half of the circle into three pieces each. Select the arc of five of these pieces.

    Circle, divided into 6 equal sections, 5 of the 6 arcs starting with the first section that has one side on the positive x axis, are highlighted & labeled, 5 thirds pi

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