Respond in your own words and in complete sentences.

  1. Define reference angle.

  2. State the reference angle theorem.

  3. What is the first step in finding the exact value of cos 495°?

  4. Explain how to find q to the nearest tenth of a degree, if tan q = -0.8541 and q terminates in QIV with 0° < q < 360°.

 
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