I would like some help with this part in my textbook please:
It mentions that the chord and arc length of PQ → $1$ as the arc PQ → $0$; however I just can't seem to see it. Thank you in advance.
2026-05-05 03:37:56.1777952276
Why does the ratio of a chord and arc PQ in this unit circle approach 1 as PQ approaches 0?
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