Question 3 • Precalculus
The law of sines says each side length divided by the sine of its opposite angle is equal: a/sin A = b/sin B = c/sin C. If all three side lengths are 1, this becomes 1/sin A = 1/sin B = 1/sin C, so sin A = sin B = sin C. The correct choice is “sin A = sin B = sin C.”
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