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

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Question: If sin A = 1/2, what is the value of A in degrees?

Options:

  1. 30
  2. 45
  3. 60
  4. 90

Correct Answer: 30

Solution: 

sin A = 1/2 corresponds to A = 30°.

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

Practice Questions

Q1
If sin A = 1/2, what is the value of A in degrees?
  1. 30
  2. 45
  3. 60
  4. 90

Questions & Step-by-Step Solutions

If sin A = 1/2, what is the value of A in degrees?
  • Step 1: Understand that sin A = 1/2 means we are looking for an angle A where the sine value is 1/2.
  • Step 2: Recall the basic sine values for common angles. The sine of 30 degrees is known to be 1/2.
  • Step 3: Therefore, we can conclude that A = 30 degrees.
  • Trigonometric Functions – Understanding the sine function and its values for specific angles.
  • Angle Measurement – Converting between radians and degrees, and recognizing common angle values.
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