Understanding Trigonometry
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7 animated gifs that will make you instantly understand trigonometry

7 animated gifs that will make you instantly understand trigonometry | Understanding Trigonometry | Scoop.it
Students are taught the "unit circle" and its relationship to trigonometry, but many fail to make the leap on how crucial circles are for trig functions. With static graphs and equations, it's possible to get a handle on the rules of what ...
Jarvis Albert Huck's insight:

Some of the ideas in trigonometry are hard to visualize. Words can describe only so much, but having an image can make the concept easier to grasp. These 7 simple animations explain what radians are, establish the relation between sine/cosine functions to circles and triangles, and the triangle relationship with the tangent function.

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FASCINATING FACTS OF MATHEMATICS: Applications of Trigonometry in Real life

FASCINATING FACTS OF MATHEMATICS: Applications of Trigonometry in Real life | Understanding Trigonometry | Scoop.it
Jarvis Albert Huck's insight:

Here are some ways in which trigonometry is used in everyday life. These examples can be used to develop an in-class activity or a group project.

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Simple Harmonic Motion - Piston - GeoGebraTube

Simple Harmonic Motion - Piston - GeoGebraTube | Understanding Trigonometry | Scoop.it
Jarvis Albert Huck's insight:

The Geogebra program examines the relationship between a piston motion and a graphical representation. The graph shows students how the motion can be modeled with a trigonometric function. Students will be able to adjust the period, duration, and other parameters. In doing so they will see how the trig functions are calculated from the parameters.

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Rocket Activities - Altitude Tracking

Rocket Activities - Altitude Tracking | Understanding Trigonometry | Scoop.it
Jarvis Albert Huck's insight:

A problem based learning activity where students use trigonometry to find the maximum height of the rocket. The activity suggest using a model rocket. I would have students build 2-liter bottle rockets that use water pressure (here are some instructions http://www.siouxbsa.org/pubs/c/98_waterbottlerocket.pdf). This activity also builds the connection between math and physics too!

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Batman Trigonometry - Resources - TES

Batman Trigonometry - Resources - TES | Understanding Trigonometry | Scoop.it
Calculate the missing measurements to help the Police Commissioner in Gotham City and Batman catch the criminals. Includes missing sides and angles.
Jarvis Albert Huck's insight:

This is a fun activity where students practice their trigonometry skills while helping Commissioner Gordan signals for Batman.  

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Introduction to Trigonometry

Introduction to Trigonometry | Understanding Trigonometry | Scoop.it
Watch as one 8th grade Math class gets introduced to Trigonometry. Using visual tools and theatrical tools, one Math teacher helps students remember some of the trig concepts.
Jarvis Albert Huck's insight:

This is a great way to introduce Sine, Cosine, and Tangent. Or as mathematicians like to say SOH-CAH-TOA!

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Explore the Trigonometric Functions and Their Graphs - GeoGebra Dynamic worksheet

Jarvis Albert Huck's insight:

A great Geogebra program to help students visualize all the trigonometric functions. Graphing calculators are nice, but these graphs are easier to read and adjust parameters.

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Let Add Some Trig: Numb3rs Activity

Jarvis Albert Huck's insight:

The activity relates to episode of the detectitve/math series "Numb3rs." In the episode, the detectives are trying investigating a counterfeiting ring. One of the engraving techniques used in banknotes involves nested sine waves, known as guilloche. Students will learn how to add and multiple sine and cosine functions, and discover/help students visualize trig identities.

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Activity - www.TeachEngineering.org

Activity - www.TeachEngineering.org | Understanding Trigonometry | Scoop.it
Students learn about and use a right triangle to determine the width of a "pretend" river. Working in teams, they estimate of the width of the river, measure it and compare their results with classmates.
Jarvis Albert Huck's insight:

Students will learn to use trigonometry to find the distance across a river (either use a real river or make a pretend in the gym). Students will use there knowledge of SOH-CAH-TOA to find an estimated distance. In the activity there are multiple opportunities for assessment (before, during, and after). Student will learn to work together to solve this problem and discuss the mathematical ideas behind it.  The activity gives students the opportunity to use their trigonometry skills and how they can be applied outside the class.

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Infusing of ICT in the learning of Trigonometric Functions through PBL

Joseline Chiok , Siti Fazira, Adeline and Yi Ting
Jarvis Albert Huck's insight:

The problem based learning activity in the presentation gives students the opportunity to learn and use trigonometry.  Students can see how trigonometry is use in the real world and how different variables can effect an airdrop.

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Simple Harmonic Motion - Ferris Wheel - GeoGebraTube

Simple Harmonic Motion - Ferris Wheel - GeoGebraTube | Understanding Trigonometry | Scoop.it
Jarvis Albert Huck's insight:

Students will see how to create a periodic function that models the motion of a Ferris Wheel. Besides giving students an image of the Ferris wheel it also create a graph of the motion. It uses a free program called Geogebra.

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Unit Circle: Sine and Cosine Functions

Unit Circle: Sine and Cosine Functions | Understanding Trigonometry | Scoop.it
The National Curve Bank project for students of mathematics
Jarvis Albert Huck's insight:

This simple animation helps to establish connection between the Unit Circle to Sine and Cosine Functions. Also there are questions that test your understanding of these trig concepts

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Natalie Lund's curator insight, March 27, 2014 11:48 PM

Questions to test your knowledge of the unit circle.