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trigonometric ratio
Sine, cosine, and tangent are called trigonometric ratios.
volume of rotation
A three-dimensional  gure formed by rotating a two-dimensional  gure about a line.
Attributions
Additional Attribution: ‘Notice and Wonder’ and ‘I Notice/I Wonder’ are trademarks of the National Council of Teachers of Mathematics, re ecting approaches developed by the Math Forum (http://mathforum.org), and used here with permission.
Unit 7 Glossary 129


































































































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