Electrical mathQuestion 150 of 1506

In a right triangle, the side opposite theta is 6 m and the hypotenuse is 10 m. What is sin θ?

  1. 0.8
  2. 0.75
  3. 1.67
  4. 0.6
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Correct answer: 0.6

sin θ = opposite ÷ hypotenuse = 6 ÷ 10 = 0.6.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 1.5: Trigonometry Functions

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Questions last reviewed: 18 October 2026