allerySine is the ratio of the hypotenuse and which side?
AThe outer side
BThe oblique side
CThe opposite side
DThe obtuse side
Answer & Solution
Correct answer: C. The opposite side
1. Each basic ratio pairs two named sides.
2. Sine uses the hypotenuse and one other.
3. Find the sine as the ratio of the opposite side to the hypotenuse.
4. So the answer is the opposite side.
_Source: OpenStax 'Algebra and Trigonometry 2e', Ch 7 'The Unit Circle: Sine and Cosine Functions'_
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