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Elizabeth Washington
Elizabeth Washington
(Gainesville - United States)

Trigonometry

Area of a Triangle

This lesson walks students through a classic optimization problem involving building the maximum area of a triangle, expressed in terms of an angle. The lesson uses a worksheet in The Geometers Sketchpad.

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Should You Measure Carefully

This activity has students discover how small changes in the measurements of a right triangle can influence the whole triangle. Students track data and analyze changes in order to look for patterns. Students then use these patterns to develop a function that describes how the changes relate to one another.

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Snake Eyes

An interesting problem that has students find the area of a particular section of a circle that resembles the pupil of a snake eye. The result is rather surprising, because the area does not involve pi.

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Wiggly Paths

Students use the area of a circle to find out the area of a garden path with some surprising properties

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Trigonometry Worksheet

This trigonometry worksheet covers a variety of topics on unit circle trigonometry. Some problems are asked as quantitative comparisons, and others combine trigonometric concepts with exponents and logs.

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Great math websites for Pre-Cal & Trig class

This is a list of web address that gives students extra practice on specific lesson.

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