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Unit Plan
Khan Academy

Khan Academy: Laws of Sines and Cosines Review

For Students 9th - 10th Standards
Review the law of sines and the law of cosines, and use them to solve problems with any triangle.
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Activity
Analyze Math

Analyze Math: Table of Integrals

For Students 9th - 10th
The resource consists of a table of indefinite integrals of functions. Formulas for elementary functions, trigonometric functions, exponential functions, and hyperbolic functions are included.
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Activity
Wolfram Research

Wolfram Math World: Integral

For Students 9th - 10th
Good site from MathWorld.com on integration with links to the topics and information needed to help the student understand integration. This site gives the fundamental rules of integration including the integration of the trigonometric...
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Unit Plan
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Introduccion a La Trigonometria

For Students 9th - 10th Standards
This is an interactive activity introducing the concept of trigonometry and working with trigonometric functions to solve right triangles.
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Lesson Plan
Alabama Learning Exchange

Alex: How Tall Is the School's Flagpole?

For Teachers 9th - 10th Standards
The purpose of this activity is to help students apply math concepts concerning similar triangles and trigonometric functions to real life situations. The students learn how to take these concepts and use them to find measurements of...
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Lesson Plan
Khan Academy

Khan: Lesson 16: Part 2 Coordinate Geometry; Trigo and Radians; Complex Numbers

For Teachers 9th - 10th Standards
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...
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Activity
Texas Instruments

Texas Instruments: Give Me a Sine (And a Cosine) Using Ti Navigator

For Teachers 9th - 10th
In this lesson, students contribute data points to build graphs of the sine and cosine functions. The transition from trig ratios to trig functions is a particularly difficult one, but it is also one where the social space of the...
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Handout
Math Words

Math Words: Derivative Rules

For Students 9th - 10th
This site offers fourteen rules for differentiation-- anything from a constant function to logarithmic functions.
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Unit Plan
Other

Ltcc: Limits (Algebraically)

For Students 9th - 10th
Students learn how to evaluate limits algebraically. Topics include infinite limits, trigonometric limits, and the squeeze theorem. Definitions and examples with solutions are included.
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Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Often Used Values

For Students 9th - 10th
Northeast Parallel Architectures Center of Syracuse University provides a quick reference chart of the exact values of the sine, cosine, and tangent functions for the most common angle measrements in the first quadrant. Includes both...
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Activity
Windstream

Ojk's Precalculus Study Page: Area of a Triangle

For Students 9th - 10th Standards
An introduction to finding the area of a triangle using the sine function. Includes several pictures and examples.
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Handout
Math Words

Math Words: Cofunction Identities

For Students 9th - 10th Standards
This MathWords.com site, which is a glossary of math terms, shows the relationship in radians and degrees between sin and cos, tan and cot, and sec and csc.
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Website
Massachusetts Institute of Technology

Mit: Calculus Index

For Students 9th - 10th Standards
This site from the Massachussets Institute of Technology has links to various topics in calculus.
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Handout
Math Open Reference

Math Open Reference: Cotangent

For Students 9th - 10th Standards
Learn about cotangents with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
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eBook
CK-12 Foundation

Ck 12: Interactive Algebra 2

For Students 9th - 10th
This Algebra 2 course has interactivity included in every lesson. Lessons include questions with immediate feedback to help you learn along the way, videos, lots of interactives (PLIX and Sims), and Adaptive Practice questions help you...
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lessons: Polar Coordinates

For Teachers 9th - 10th Standards
Introduces students to graphing in the polar coordinate plane.
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Activity
CK-12 Foundation

Ck 12: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login Required] Students will determine the angle of depression using a diagram with a helicopter. Click learn more to watch a video and click challenge me to answer a practice question.
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Activity
Math Is Fun

Math Is Fun: Finding a Side in a Right Angled Triangle

For Students 9th - 10th Standards
Students learn how to find a side in a right triangle. The tutorial consists of notes, examples, and practice problems to check for comprehension.
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Activity
Math Is Fun

Math Is Fun: Finding an Angle in a Right Angled Triangle

For Students 9th - 10th Standards
Students learn how to find an angle of a right triangle. The tutorial consists of notes, examples, and practice problems to check for comprehension.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Cosine and Secant Graphs

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Define the cosine and secant graphs using a unit circle.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Law of Cosines

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Use Law of Cosines and Law of Sines in different triangle situations.
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Lesson Plan
Alabama Learning Exchange

Alex: Slide Into the Past

For Teachers 9th - 10th Standards
Students will be introduced to the slide rule through A brief history on its use. They will practice simple calculations (multiplying and finding values of trigonometric, exponential, and logarithmic functions) using a virtual slide rule.
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eBook
Mathigon

Mathigon: Geometry: Circle and Pi: Degrees and Radians

For Students 9th - 10th Standards
Rather than dividing a circle into some number of segments (like 360 degrees), mathematicians often prefer to measure angles using the circumference of a unit circle - a circle with radius 1. This way of measuring angles is called...
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Whiteboard
ClassFlow

Class Flow: Trigonometry

For Teachers 9th - 10th Standards
[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...