CK-12 Foundation
Ck 12: Trigonometry: Composition of Trig Functions and Their Inverses
[Free Registration/Login may be required to access all resource tools.] How to Compose a trigonometric function.
CK-12 Foundation
Ck 12: Trigonometry: Applications of Inverse Trigonometric Functions
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to apply inverse trig functions to solve problems you would see in real-life situations.
CK-12 Foundation
Ck 12: Trigonometry: Inverses by Mapping
[Free Registration/Login may be required to access all resource tools.] Find the inverse of a trig function by mapping.
Khan Academy
Khan: Lesson 16: Part 2 Coordinate Geometry; Trigo and Radians; Complex Numbers
2 OF 2 FOR ADDITIONAL TOPICS IN MATH. Students will use the coordinate plane and equations of lines and circles to describe figures; create the equation of a circle given the figure or use the structure of a given equation to determine a...
Math Medics
S.o.s. Math: Measure of an Angle
This lesson gives a tutorial on the measure of an angle. Includes sample problems and solutions.
Government of Alberta
Learn Alberta: Exploring Similarity and Congruence
Begin by watching this captivating video showing how the concepts of similarity and congruence are found in road signs. Following the video [1:27], an interactive applet allows students to resize, flip, move and rotate triangles to...
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.
CK-12 Foundation
Ck 12: Determination of Unknown Triangle Measures Given Area
[Free Registration/Login may be required to access all resource tools.] Looks at triangle problems where you are given the area and must use trigonometry to find unknown sides or angles.
Math Planet
Math Planet: Algebra 2: Cosines
Defines and explores the law of cosines through examples and a video lesson. [1:41]
CK-12 Foundation
Ck 12: Analysis: Hyperbolas and Asymptotes
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn about the asymptotes of hyperbolas. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Exponential Growth
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to analyze and graph exponential growth functions.
CK-12 Foundation
Ck 12: Trigonometry: Pythagorean Theorem for Solving Right Triangles
[Free Registration/Login may be required to access all resource tools.] Finding unknown sides in a triangle using other sides and angles.
Texas Instruments
Texas Instruments: Numb3 Rs: Let's Add Some Trig
Based off of the hit television show NUMB3RS, this lesson introduces students to the range of graphs which can be formed by adding and/or multiplying other trigonometric graphs together. Technology use is heavy in this lesson, in that...
Math Medics
S.o.s. Math: Trigonometric Equations
This math lesson presents methods of solving trigonometric equations when the answer does not seem obvious. The lesson begins by giving an example then has a few practice problems for viewers to solve with solutions as links.
Math Medics
S.o.s. Math: Product and Sum Formulas
This math lesson lists the product and sum formulas, and gives detailed example of using them to solve algebraic trigonometry problems.
National Council of Teachers of Mathematics
The Math Forum: Measuring Distances Triangulation
Lesson plan which details how to have students determine the distance to an object by sighting it from two different locations and knowing the distance between these locations. As an advanced alternative, trigonometry can be used to...
University of Saskatchewan (Canada)
Exercises in Math Readiness for University Study: Trig
Read a lesson, look at examples, and try easy, medium, and advanced problems from a variety of trigonometry topics: radian measure of angles, trigonometric functions, trigonometric identities, and modeling with trigonometric functions.
CK-12 Foundation
Ck 12: Precalculus Concepts 2.0
A complete high school Precalculus Concepts course. Includes 'Related Modalities' for each lesson that teach the same concept in different ways. The text materials follows Algebra II and comes before Calculus or Statistics. The content...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Smile: Smile Program Mathematics Index
This site provides lesson plans for various math topics, including probability, geometry, algebra, trigonometry, patterns, applied math.
Texas Instruments
Texas Instruments: Real Life Real World Activity: Air Traffic Control
In this lesson, students will model and solve air traffic control problems with geometry software. The Cabri Jr. application will be used to construct a model of the problem situation and concepts from trigonometry and proportions are...
Other
Kuta Software Llc: Algebra Worksheets
Free downloadable algebra worksheets covering the basics, equations, linear equations, inequalities, trigonometry, exponents, polynomials, quadratic functions, radical expressions, rational expressions and word problems.
Texas Instruments
Texas Instruments: Numb3 Rs: Changing Sines
Based off of the hit television show NUMB3RS, this lesson introduced students to the various parameters used in graphing the elementary sine function. Technology use is very heavy, as students are encouraged to graph different sinusoidal...
Alabama Learning Exchange
Alex: Rags to Riches or Riches to Rags?
In this lesson students will apply the interest formulas to make the best investment decision for our fictional character Algebrea Calculique. The students will be provided with a story explaining the situation that Algebrea faces and...
Alabama Learning Exchange
Alex: Traveling Around the Unit Circle
This lesson is intended to review the key ideas associated with trigonometric functions.The design of this lesson provides a collection of reproducible activities to be used in a classroom setting where students have varied backgrounds /...