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UPCAT Mathematics practice question 12: What is the value of sin 30°?

Correct answer

A. 1/2

In a 30-60-90 triangle the side opposite 30° is half the hypotenuse, so sin 30° = 1/2.

What is the value of sin 30°?

  1. 1/2Correct
  2. √2/2
  3. √3/2
  4. 1

Why A is correct

In a 30-60-90 triangle the side opposite 30° is half the hypotenuse, so sin 30° = 1/2.

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