Curated OER
Capacitive Reactance
In this electronics worksheet, students solve and write short answers to 15 questions about capacitors. They interpret schematic diagrams and calculate values using Ohm's law.
Curated OER
Why We Study Trigonometry
Students investigate the different properties of trigonometry. In this precalculus lesson, students find the six different identities of trigonometric ratios. They relate the ratios to that of a right triangle and apply it to real life...
Curated OER
Whatcha Gunna Do When the Hulkster's Measuring Too??
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
Curated OER
Advanced Electromagnetism and Electromagnetic Induction
In this electromagnetism and electromagnetic induction worksheet, students answer 11 questions using calculus to determine things such as magnetic flux and wave output.
Curated OER
The Unit Circle
Students solve problems using the unit circle. In this precalculus lesson, students identify angles using the properties of the unit circle. They observe the trigonometric graphs and sine, cosine and tangent.
Curated OER
Slope and Tangent
Students differentiate between the slope and the tangent of the horizontal. In this precalculus instructional activity, students examine slopes created by tangent lines. They observe the angle formed using properties of the unit...
Curated OER
Simply Similar at Sea: Simple Triangles
Tenth graders answer a variety of problems based on similar triangle and learn about the rule of thumb. They will test the rule of thumb by estimating the distance to an object in the classroom.
Curated OER
Precalculus Exam
In this precalc lesson, students write out definitions, identify functions, solve integrals and derivatives and graph trig functions as they relate to angles. This is a final exam for precalculus. There are 80 questions on this exam.
Curated OER
From Bats to Babies: Ultrasound
Young scholars research and analyze sound waves and how an ultrasound works to image a baby in utero. They explore various websites, complete worksheets, and write a paragraph describing a demonstration they view in the classroom.
Curated OER
Solving Trigonometry Problems in Two and Three Dimensions
In this Pre-calculus/Trigonometry worksheet, students solve trigonometry problems in two and three dimensions. The eleven page worksheet contains explanation, examples, and twenty problems. Answers are not included.
Wolfram Research
Wolfram Math World: Law of Sines
This MathWorld page gives a good explanation of the Law of Sines, which relates the lengths of the sides of a triangle to the sines of the opposite angles. This site gives a picture to help clarify the variables used in the equation....
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.
CK-12 Foundation
Ck 12: Trigonometry: Law of Sines
[Free Registration/Login may be required to access all resource tools.] Learn how to use the Law of Sines with different types of triangles.
CK-12 Foundation
Ck 12: Geometry: Laws of Sines and Cosines
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find missing sides and angles in non-right triangles using the Laws of Sines and Cosines.
Khan Academy
Khan Academy: Solve Triangles Using the Law of Sines
Solve missing triangle measures using the law of sines. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lawrence Hall of Science
The Math Page: Trigonometry: The Law of Sines
Work through an explanation of the law of sines, how it is used with an obtuse angle, and a proof of the law of sines. Great site for students studying trigonometry.
Math Is Fun
Math Is Fun: The Law of Sines
Students learn about the law of sines. The tutorial consists of a definition, examples, and practice problems to check for comprehension.
Mangahigh
Mangahigh: Shape: Use the Law of Sines for Finding Angles
Test your knowledge of using the law of sines to determine angle measures.
Math Open Reference
Math Open Reference: Law of Sines
A complete reference guide to the Law of Sines. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
University of Vienna (Austria)
Trigonometry: Law of Sines
This is demonstration of how the law of sines works. It uses Java applets to manipulate the triangle and allows the user to explore what happens to the values of the triangle as the sides are changed.
Khan Academy
Khan Academy: Laws of Sines and Cosines Review
Review the law of sines and the law of cosines, and use them to solve problems with any triangle.
Mangahigh
Mangahigh: Shape: Use the Law of Sines for Finding Lengths
Deterime how to use the law of sines for finding lengths.
CK-12 Foundation
Ck 12: Trigonometry: Law of Sines
[Free Registration/Login may be required to access all resource tools.] This lesson introduces the Law of Sines for two cases.
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