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Unit Plan
Oswego City School District

Regents Exam Prep Center: Trigonometric Ratios

For Teachers 9th - 10th
A collection of lessons and practice exercises on trigonometric ratios. Students will learn how to solve for an angle and for a side, and to apply trigonometry in setting up and solving word problems.
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Website
University of Saskatchewan (Canada)

University of Saskatchewan: Emr: Exercises in Math Readiness

For Students 9th - 10th
The University of Saskatchewan offers this resource for the review of mathematical concepts that students need to enter university level math courses. Topics include mental arithmetic, algebra, geometry, trigonometry, exponential and...
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Graphic
Math2

Math2.org: Trigonometry Tables

For Students 9th - 10th Standards
Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...
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Handout
Math Open Reference

Math Open Reference: Tangent (Tan) Function: Trigonometry

For Students 9th - 10th Standards
Learn about the tangent with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
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Unknown Type
Khan Academy

Khan Academy: Trigonometry: Evaluate Inverse Trig Functions

For Students 9th - 10th Standards
Given a sine, cosine, or tangent value, find the principle angle that has this value. In other words, find the arcsine, arccosine, or arctangent of that value. Students receive immediate feedback and have the opportunity to try questions...
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Activity
Texas Instruments

Texas Instruments: The Light Side of Trigonometry

For Teachers 9th - 10th
In this activity, students use the TI InterActive! software to develop a model that determines the time of sunrise and sunset and the number of daylight hours in Melbourne on any day of the year. They also determine how the position on...
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Graphic
Curated OER

Zona Land: Trigonometry, Right Triangles

For Students 9th - 10th Standards
This site provides information on sine, cosine, and tangent. Lengths of the sides are discussed and many diagrams/tables are shown.
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Activity
Texas Instruments

Texas Instruments: Exploration of Trigonometry

For Teachers 9th - 10th
Using TI Navigator, Cabri Jr and LearnCheck, students will explore how changing an angle in a triangle changes the ratio of the sides, and changing the sides can make changes an angle in a triangle. Students will then explore two...
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Unit Plan
CK-12 Foundation

Ck 12: Composition of Inverse Reciprocal Trig Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] On this site students learn about the composition of inverse trigonometric functions. Students read about inverse reciprocal functions, watch a video about the topic...
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PPT
Sophia Learning

Sophia: Vectors and Scalars Part 2

For Students 9th - 10th Standards
A slide show presentation which shows how component parts can be used to determine a vector. It also introduces trigonometry functions to show how vectors can have rotational directions.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Exponential Growth

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to analyze and graph exponential growth functions.
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Handout
Johan Claeys

Math Abundance: Trigonometry: The Sine Function

For Students 9th - 10th Standards
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
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Activity
Math2

Math2: Trigonometric Graphs

For Students 9th - 10th
Sketches of the graphs of the 12 "parent," trigonometry functions are given: sine, cosine, tangent, secant, cosecant, cotangent, arcsine, arccosine, arctangent, arcsecant, arccosecant, and arccotangent.
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Activity
University of Vienna (Austria)

Univ of Vienna: Trigonometric Functions

For Students 9th - 10th
An interactive tool to discover how the trig functions came to be. Applets are used in this interactive learning tool. Examples exercises are also given.
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Interactive
Interactive Mathematics

Interactive Mathematics: Graphs of Tan, Cot, Sec, & Csc

For Students 9th - 10th
Several examples are presented that demonstrate how to graph the tan, cot, sec, and csc functions.
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Activity
Other

Brown Math: A 10 Minute Trig Review

For Students 9th - 10th Standards
Looking for a 10-minute review of the major concepts of trigonometry? This site is a quick recap of degrees and radians, SOH CAH TOA, Pythagorean identities, and special right triangles are all found here.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Secant, Cosecant, and Cotangent Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Calculate the secant, cosecant, and cotangent functions using the sides of a triangle.
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Activity
Analyze Math

Analyze Math: Special Angles on Unit Circle

For Students 9th - 10th Standards
Learners explore the special angles between 0 and 2 pi on a unit circle. The special angles can be used to solve trigonometry problems.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Vertical Translations

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Define vertical translations of sine and cosine functions.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Transformations of Polar Graphs

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] How to alter graphs in polar coordinates by changing constants and/or functions.
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Activity
Other

Technical Tutoring: Trigonometry: The Very Fast Review

For Students 9th - 10th Standards
This site is a quick review of the functions and identities in trigonometry. Very helpful site.
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Activity
Interactive Mathematics

Interactive Mathematics: Derivatives of Csc, Sec, and Cot Functions

For Students 9th - 10th
The derivatives for cosecant, secant, and cotangent functions are presented here. Several examples allow the user to practice finding the derivatives before seeing the solutions.
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Unknown Type
Other

Mecca: Review for Trigonometric Functions

For Students 9th - 10th Standards
A page of review problems on trigonometric functions. Answers are supplied.
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Interactive
Calculator Soup

Calculator Soup: Inverse Trigonometric Functions Calculator

For Students 9th - 10th Standards
This calculator will find the inverse trigonometric values for principal values in the ranges listed in the table.

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