TeachEngineering
Teach Engineering: You've Got Triangles!
Students learn about trigonometry, geometry and measurements while participating in a hands-on interaction with LEGO MINDSTORMS NXT technology. First they review fundamental geometrical and trigonometric concepts. Then, they estimate the...
TeachEngineering
Teach Engineering: Trigonometry via Mobile Device
Students investigate the relationships between angles and side lengths in right triangles with the help of materials found in the classroom and a mobile device.
TeachEngineering
Teach Engineering: Python Script Analysis
Working in small groups, students complete and run functioning Python codes.This requires students to understand the logic employed, and then they must make modifications to the code in order to find the slopes of tangents to a variety...
Teachnology
Teachnology: Math Lesson Plans
Great lesson plans covering a wide-range of math-related subjects.
Stanford University
Standford University: Complex Roots
This resource contains relevant information regarding to complex roots that includes formulas and graphs.
Oswego City School District
Regents Exam Prep Center: Teaching Strategies for Algebra 2 & Trigonometry
The mathematics lesson plans consist of teaching strategies and activities for algebra, geometry, and trigonometry. Some strategies included are teaching in block scheduling, working with lower ability students, and planning curriculum....
Oswego City School District
Regents Exam Prep Center: Law of Sines and Law of Cosines
This tutorial examines the law of sines and the law of cosines. Includes class notes, examples, and a variety of practice problems with solutions. The teacher resource consists of a lab that utilizes the law of sines and the law of cosines.
Math Medics
S.o.s. Math: Math Review Resources
A math tutorial for many areas of math that contains over 2,500 pages of explanations and examples in algebra, trigonometry, calculus, and basic mathematics. Also has exams and ask-an-expert function.
Oswego City School District
Regents Exam Prep Center: Special Right Triangles
A collection of lessons, practice activities, and a teacher resource that will aid your exploration and understanding of special right triangles.
Oswego City School District
Regents Prep: Applications of Trigonometric Graphs
Learners can use this site to practice questions dealing with trigonometric graphs. Students are challenged with multiple real-world problems and after solving those problems they can check their solution online.
Mathematics Archives
Math Archives: Visual Calculus: Reduction Formulas
This tutorial presents a series of trigonometric integrals to solve using recursion or reduction formulas. Click Solution next to each formula and a popup screen provides the solution.
Math2
Math2
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
Curated OER
Zona Land: Trigonometry, Right Triangles
This site provides information on sine, cosine, and tangent. Lengths of the sides are discussed and many diagrams/tables are shown.
Mathematics Archives
Math Archives: Visual Calculus: 47 Trig Identities!
This makes for a great handout for learners and teachers, alike! A comprehensive list of 47 commonly-used trig identities.
University of Nebraska
University of Nebraska: Vectors and Vector Addition
This resource provides an introduction to vectors and their additive properties.
University of Nebraska
University of Nebraska: Unit Vectors
In this resource unit vectors are defined and examples are given here. Notation is discussed also.
Rice University
Galileo Project: Francois Viete
This site from The Galileo Project of Rice University provides a brief overview of Francois Viete, displayed as ten biographical topics. The fields of data collected include topics such as birth/death dates, father, nationality,...
Wolfram Research
Wolfram Math World: Trigonometric Substitution
This resource explains the steps to solving a difficult integration using a given trigonometric substitution and then proceeds to explain which integration technique to apply to solve the integration problem.
Wolfram Research
Wolfram Math World: Cut the Knot! Angles
Very good site with links to reviews of various angles.
National Council of Teachers of Mathematics
The Math Forum: High School Archive for Trigonometry
This site from the Math Forum with Dr. Math is an excellent site with answers to submitted questions on trigonometry. In addition the student can submit their own questions. Links are provided for additional information.
Texas Instruments
Texas Instruments: Solving Problems Using Trigonometry
Solving real life problem using trig ratios. Example: Finding the angle of elevation or the angle of depression. Finding the angle between two lines. Finding equation of a line that passes through two points.
Texas Instruments
Texas Instruments: Basic Trigonometry Love or Leave It!!
This activity has the teacher to create 3 triangles on Cabri Jr. on the TI-83 or TI-84. It will prove to students how trigonometry ratios are found. It will show to the students where the ratios are derived rather than just telling the...
Texas Instruments
Texas Instruments: Math Today When a Ruler Isn't Enough
This activity illustrates a real-life problem that uses trigonometry to solve for an unknown. students can use trigonometric ratios and inverse trigonometric relationships to determine the side of a triangle and the measure of the...
Texas Instruments
Texas Instruments: Sin, Cos, and Tan of Right Triangles
In this activity, students explore a right angled triangle and its trigonometric concepts. They investigate the trigonometric ratios for the angles of the triangle.