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Understanding Fundamental Trigonometric Identities
Students are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also review...
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The Trig To Soccer
Students are given the background information to open the instructional activity: Suppose a penalty kicker in soccer could choose where he could kick from, as long as he stayed on the back line of the penalty area. Would he have a better...
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Trigonometry in Action
Students examine how to apply the principles of trigonometry in authentic measurement situations. They work in groups to determine the height of an object such as a flag pole by determine the angle from their position to the top.
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Trigonometric Functions of Special Angles
Students explore the concept of the six trigonometric functions, places where the functions can be utilized, and apply these functions to several electrical application problems.
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Get a Half Life!
Eighth graders use M&M's to experiment with data. They use a graphing calculator to determine the best equation for their data; linear, quadratic or exponential. They analyze the data to find the half-life of their M&M's.
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Trigonometry Worksheet: Graph Trigonometric Functions (1)
In this trigonometry activity, students graph one trigonometric function. The function is y=2cos(2x). A coordinate grid is included on the activity.
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Women in Mathematics: History to Today
Students investigate important women in Mathematics. In this middle or high school mathematics lesson, students research the accomplishments of women that played an important role in the history of mathematics or women currently...
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Worksheet #12 - Logarithms
In this worksheet, students convert exponential expressions into an equivalent logarithm and visa versa. They find the exact value of logarithmic expressions and determine the domain of a given function. Finally, students use...
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Geometry: Solving Right Triangles
Students use trigonometry skills to solve right triangle problems. After the teacher presents several examples, they solve problems on worksheets and discuss their solutions with partners. In a final activity, students determine the...
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Parabolas
Students review the definition of a parabola. They trace a parabola by locating points the same distance from a point as they are to a line. Students develop an equation for a parabola with its vertex at the origin. Students solve...
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Modeling With Circular Functions
Students explore circular functions. They identify the amplitude, period, phase shift and vertical shift of circular functions. Students analyze phenomena described by sine waves and they find mathematical models for transforming images...
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Simply Similar at Sea: Simple Triangles
Tenth graders answer a variety of problems based on similar triangle and learn about the rule of thumb. They will test the rule of thumb by estimating the distance to an object in the classroom.
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High School Mathematics Problems from Alaska: Firewood Problem
High schoolers write and solve equations for the cost of firewood by the cord, then use this information to develop tables of values and graph their equations.
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High School Mathematics Problems from Alaska: Jesse Thomas Moose Hide Problem
Students solve problems about a student earning money for college by tanning moose hides.
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High School Mathematics Problems from Alaska: Writing an Equation: Fundraiser
Students represent relationships between variables by writing, creating, and solving linear equations, and using tables and graphing.
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High School Mathematics Problems from Alaska: Stanley Jonas Travel Problem
Students convert from one system of linear measure to another, graphing data from a table to a coordinate graph, using a graph to make predictions.
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Parallax
Students discover how astronomers used the diameter of the Earth's orbit around the Sun as a baseline for estimating the distance of some stars, and the meaning of "Parsec" and "light year."
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Measuring The Earth
Learners use their geometry and trigonometry skills to determine the distance between their school and another school.