COHERENCE, QUANTITATIVE REASONING, AND THE
TRIGONOMETRY OF STUDENTS
Abstract
Coherence, Quantitative Reasoning, and the Trigonometry of Students
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COHERENCE, QR, AND TRIGONOMETRY
Describing a Coherent Trigonometry
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Table 1.
COHERENCE, QR, AND TRIGONOMETRY
y
y.
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Let
Table 2.
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It Starts with Angle Measure
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COHERENCE, QR, AND TRIGONOMETRY
the
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r
r
d
=
360 2
More on Measuring in Radii
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COHERENCE, QR, AND TRIGONOMETRY
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Figure 1.
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COHERENCE, QR, AND TRIGONOMETRY
r
r
r
r
Connecting Trigonometry Contexts
Figure 2.
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COHERENCE, QR, AND TRIGONOMETRY
Figure 3.
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Quantitative Reasoning and the Trigonometry of Students
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COHERENCE, QR, AND TRIGONOMETRY
Angle Measure: Quantitative Relationships vs. Labels
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COHERENCE, QR, AND TRIGONOMETRY
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Figure 4.
COHERENCE, QR, AND TRIGONOMETRY
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Unit Circle: A Circle of Radius One vs. a Circle of One Radius Length
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COHERENCE, QR, AND TRIGONOMETRY
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Figure 5.
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COHERENCE, QR, AND TRIGONOMETRY
r
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COHERENCE, QR, AND TRIGONOMETRY
Figure 6.
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Creating Graphs: Connecting Points vs. Covarying Quantities
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COHERENCE, QR, AND TRIGONOMETRY
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Figure 7.
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COHERENCE, QR, AND TRIGONOMETRY
Figure 8.
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Figure 9.
COHERENCE, QR, AND TRIGONOMETRY
Concluding Remarks
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References
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COHERENCE, QR, AND TRIGONOMETRY
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COHERENCE, QR, AND TRIGONOMETRY