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Investigating the Idea of Cos

Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).

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Resource Details

Grade
5th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Instructional Strategy
Skills Practice
Usage Permissions
Fine Print
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