Other
Trigonometry: A Quick Review
This site is a personal site from David Eisenberg and it contains brief but great review information for trigonometry. This particular site focuses on sine and cosine inlcuding a small circle graph. Clicking on the index link provides...
Other
Gobierno De Navarra: Familias De Funciones Elementales
Visualize the different kinds of functions with these interactive activities.
Other
Socrative: End Behavior
On this site students can pose questions to get answers to problems they are having with their math homework. On this particular section, the topic of the end behavior of a sine function is discussed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Right Angle Trigonometry
Explore sine, cosine, and tangents compared to the selected angle.
Sophia Learning
Sophia: Trigonometric Values From a Calculator: Lesson 2
This lesson will illustrate how to use a calculator to find the value of a trigonometric value. It is 2 of 5 in the series titled "Trigonometric Values from a Calculator."
Sophia Learning
Sophia: Trigonometric Values From a Calculator: Lesson 5
This lesson will illustrate how to use a calculator to find the value of a trigonometric value. It is 5 of 5 in the series titled "Trigonometric Values from a Calculator."
ClassFlow
Class Flow: Trigonometry
[Free Registration/Login Required] Students explore trigonometric functions using the interactive features of Activstudio. Students apply their understanding of trigonometric sense to determine the side lengths and angles of various...
ClassFlow
Class Flow: Trigraphs
[Free Registration/Login Required] Students use the interactive features of Activstudio to graph various functions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Trigonometric Ratios
Find a quick, concise explanation of the trigonometric ratios: sine, cosine and tangent. Examples are given and clearly explained.
ClassFlow
Class Flow: Advanced Trigonometry
[Free Registration/Login Required] Students describe, analyze, and reason angles being as small or as large as they can imagine. Using trigonometrical ratios, this is a fun exercise in understanding how to examine the perfect graph.
ClassFlow
Class Flow: Basic Right Triangle Trigonometry
[Free Registration/Login Required] This flipchart shows the basic relationships between trig functions and the sides and angles of a right triangle.
Interactive Mathematics
Interactive Mathematics: Sine, Cosine, Tan & Reciprocals
The definitions of the six trig ratios are presented here, along with several examples of how to determine the ratios given 2 or more sides of a right triangle.
Windstream
Ojk's Precalculus Study Page: Evaluating and Graphing Sine and Cosine
An introduction to graphing the sine and cosine functions by using the 30-60-90 and 45-45-90 right triangle values of the two functions as guides.
Oswego City School District
Regents Exam Prep Center: Working on a Rescue Team Lab
Your students are part of the Yellowstone National Park rescue team which has just been dispatched to help located a downed plane. How can they effectively use the Law of Sines and the Law of Cosines to assist them in finding the plane?...
Johan Claeys
Math Abundance: Trigonometry: The Sine Function
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Math Planet
Math Planet: Pre Algebra: Trigonometry
Learn about trigonometry by viewing examples and a video lesson.
Other
Lifewire: Excel Tan Function: How to Find the Tangent Angle
This article shows you how to find the tangent angle using Excel. You may be able to accomplish this on a scientific calculator, but if you don't have one handy, Excel can help you make these calculations better than anything else.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
This is a excellent review lesson about trigonometric functions of any angle. Good examples here.
Other
Gobierno De Navarra: Trigonometria
Use these interactive activities as a supplementary material to visualize some basic concept of Trigonometry.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.
Calculator Soup
Calculator Soup: Trigonometric Function Graphs F(x)
Images of trigonometric function graphs.
Calculator Soup
Calculator Soup: Trigonometric Functions Calculator
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of angle values entered in degrees or radians. The trigonometric functions are also known as the circular functions.
Calculator Soup
Calculator Soup: Trigonometric Functions Calculator
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of values. The trigonometric functions are also known as the circular functions.