Geometry and TrigonometryEasyDefinition of sine in a right triangle
Geometry and Trigonometry practice question
In a right triangle, the sine of an acute angle is the ratio of which two sides?
- A. The opposite side to the hypotenuseCorrect
- B. The adjacent side to the hypotenuse
- C. The opposite side to the adjacent side
- D. The hypotenuse to the opposite side
Answer: A. The opposite side to the hypotenuse
Sine is opposite over hypotenuse.
Why the other answers are wrong
- B. The adjacent side to the hypotenuse
- That is the cosine.
- C. The opposite side to the adjacent side
- That is the tangent.
- D. The hypotenuse to the opposite side
- That is the reciprocal of the sine.
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