Trigonometric Ratios
Easymathematics
The value of sin 30° is
Select the correct option:
Solution
Incorrect! Answer:
1/2
- Standard Observation: In a 30∘−60∘−90∘ triangle, the side opposite to the 30∘ angle is exactly half of the hypotenuse.
- Ratio Definition: sinθ=HypotenuseOpposite.
- Substitute: For θ=30∘, sin30∘=21.
- Radial Conversion: 30∘=π/6 radians.
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
More trigonometric ratios Practice Questions
About This Question
- Subject
- mathematics
- Chapter
- trigonometry
- Topic
- trigonometric ratios
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
1/2
- Standard Observation: In a 30∘−60∘−90∘ triangle, the side opposite to the 30∘ angle is exactly half of the hypotenuse.
- Ratio Definition: sinθ=HypotenuseOpposite.
- Substitute: For θ=30∘, sin30∘=21.
- Radial Conversion: 30∘=π/6 radians.
This easy difficulty mathematics question is from the chapter trigonometry, covering the topic of trigonometric ratios. It appeared in the 2025 exam.
Looking for more practice? Explore all mathematics questions or browse trigonometry questions on RankGuru.