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What is the value of cos(π/3)?

Practice Questions

Q1
What is the value of cos(π/3)?
  1. 0
  2. 1/2
  3. 1
  4. √3/2

Questions & Step-by-Step Solutions

What is the value of cos(π/3)?
Correct Answer: 1/2
  • Step 1: Understand that π (pi) is a mathematical constant approximately equal to 3.14.
  • Step 2: Recognize that π/3 means we are dividing π by 3, which gives us an angle of 60 degrees.
  • Step 3: Recall the unit circle, which helps us find the cosine of angles.
  • Step 4: Find the cosine value for 60 degrees (or π/3) on the unit circle.
  • Step 5: Remember that the cosine of 60 degrees is 1/2.
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