CCGPS AA 5.3.1 Example 3

Author:
Walch Education
Given that , what is the value of if angle lies in the first quadrant of the coordinate plane? Round your answer to the nearest hundredth.
GeoGebra Applet
  1. Use the Pythagorean identity to determine the value of .
  2. Determine the value of if angle lies in the first quadrant.
This applet is provided by Walch Education as supplemental material for the CCGPS Advanced Algebra program. Visit www.walch.com for more information on our resources.

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