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If cos A = 1/2, what is the value of A in degrees?

Practice Questions

Q1
If cos A = 1/2, what is the value of A in degrees?
  1. 30
  2. 60
  3. 90
  4. 120

Questions & Step-by-Step Solutions

If cos A = 1/2, what is the value of A in degrees?
  • Step 1: Understand that cos A = 1/2 means we are looking for an angle A where the cosine value is 1/2.
  • Step 2: Recall the special angles in trigonometry. The cosine of 60 degrees is known to be 1/2.
  • Step 3: Therefore, we can conclude that A = 60 degrees.
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