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Problem 12 - Olympiad

What is the value of sin(60°) in a right-angled triangle?

Correct: B

In a right-angled triangle, sin(θ) = opposite side / hypotenuse. For a 60° angle in a 30-60-90 triangle, the sides are in the ratio 1:√3:2. Therefore, sin(60°) = √3 / 2.