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2026-05-05 11:12:54 -04:00 · 2020-04-17 00:23:16 +00:00
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+## Unit 3
+
+## Review
+
+Some special ratios you should know:
+
+$`\csc \theta = \dfrac{1}{sin \theta}`$
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+$`\sec \theta = \dfrac{1}{\cos \theta}`$