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Lesson Plan
Curated OER

Sin, Cos and Tangent

For Teachers 9th - 10th
Students find the identity o sine, cosine and tangent. In this precalculus lesson plan, students solve and identify the different parts of a right triangle. They use the ratios of the Pythagorean Theorem to find the missing side or angle.
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Lesson Plan
Curated OER

Law of Sine and Cosine

For Teachers 9th - 10th
Learners solve problems using the law of sine and cosine. In this precaclulus lesson plan, students learn the law of DeMoivre's Theorem and Heron's theorem. They use both theorems to solve problems.
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Lesson Plan
Curated OER

More of DeMoivre's Theorem

For Teachers 10th - 11th
Students identify DeMoivre's Theorem. In this precalculus lesson, students derive the law of sine and cosine as it relates to DeMoivre's Theorem. They identify the best time to use these formulas.
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Lesson Plan
Curated OER

Law of Sines Word Problems

For Teachers 11th - 12th
Young scholars solve word problems using the law of sines. In this precalculus lesson, students work in groups as they define vocabulary terms. They apply the formula of sine to answer and solve problems.
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Lesson Plan
Curated OER

Law of Sines

For Teachers 10th - 12th
Students solve problems using sine and cosine. In this precalculus lesson, students ask questions about the Law of sines and its application to the real world. They derive the correct formula of sine for each problem.
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Lesson Plan
Curated OER

Law of Cosines Word Problem

For Teachers 10th - 11th
Students solve problems using the law of cosines. In this precalculus activity, students meet different criteria as they solve problems. They apply the formula for cosines to solve word problems.
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Handout
Curated OER

The Number System

For Students 11th - 12th
Review complex numbers, real numbers, irrational and rational numbers, integers, and whole numbers with math students. Use this guide as a reference sheet or handout. 
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Worksheet
Curated OER

Domain of a Function

For Students Higher Ed
In this precalculus instructional activity, students examine and determine the domain of the three functions provided and apply them to the three problems.
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Worksheet
Curated OER

MT-A141Precalculus

For Students Higher Ed
In this precalculus worksheet, students examine the three problems critically and they find the solutions for the word problems.
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Unit Plan
CK-12 Foundation

Ck 12: Analysis: Scalar Projections

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] In this lesson students will study scalar projections: dot products of vectors and unit vectors. Students examine guided notes, review guided practice, watch...
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Unit Plan
Khan Academy

Khan Academy: Add & Subtract Vectors

For Students 9th - 10th
Add and subtract vectors given in component form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Absolute Value of Complex Numbers

For Students 9th - 10th Standards
Given a complex number in the form a+bi, find its absolute value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. HSN.CN.B.4
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Unknown Type
Khan Academy

Khan Academy: Complex Numbers From Absolute Value & Angle

For Students 9th - 10th Standards
Given the absolute value and the angle of a complex number, express the number in the form a+bi. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Rational Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Learn about the shapes and characteristics of graphs of rational functions. Students examine guided notes, review guided practice, watch instructional videos and...
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Lesson Plan
Alabama Learning Exchange

Alex: Parent Functions and Their Children

For Teachers 9th - 10th
In this lesson, students will be able to identify parent functions of linear functions, absolute value functions, and quadratic functions. Students will be presented with functions and asked to graph them by first identifying the basic...
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Graphic
Rice University

Rice University: Cynthia Lanius: Visualizing an Infinite Series

For Students 9th - 10th
This site explains the infinite series through visualization.