Respond in your own words and in complete sentences.

  1. If q is between 0° and 360°, then what can you conclude about 2q?

  2. If 2q = 30° + 360°k, then what can you say about q?

  3. What is an extraneous solution to an equation?

  4. Why is it necessary to check solutions to equations that occur after squaring both sides of the equation?

 
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