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Lesson Plan
Curated OER

Right Triangle Geometry

For Teachers 9th - 11th
Students study the basic principles of right triangle geometry needed to solve for unknown values of a right triangle. They apply and master the principles of right triangle geometry by solving problems.
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Interactive
Curated OER

Trigonometry Math - Using a Calculator

For Students 9th - 12th
In this online math worksheet, students practice using their calculator to perform trigonomic functions. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
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Worksheet
Curated OER

Reference Angles and Triangles

For Students 10th
In this angles and triangles instructional activity, 10th graders solve 10 different problems that relate to various types of reference angles and triangles. First, they determine the value of sine equal to a number of degrees. Then,...
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Worksheet
Curated OER

MT-A141 PreCalculus: Worksheet 6.2/6.3

For Students 10th - 11th
In this precalculus instructional activity, students use their graphing calculator to determine the coordinates for given functions. They determine the values for cosine, sign, tangent, and secant of given equations. Given an angle of...
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Activity
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Curated OER

Foxes and Rabbits 3

For Teachers 10th - 12th Standards
Use realistic data to find trigonometric models that best fit the populations of foxes and rabbits in a national park. Included are detailed explanations of the answers and process. This is a follow-up exercise to the lesson listed in...
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Lesson Plan
Curated OER

Right Triangles and The Unit Circle

For Teachers 8th - 10th
Learners solve right triangles using trigonometry. In this geometry lesson plan, students use the unit circle to identify different trig values. They identify the six trigonometric identities.
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Worksheet
Curated OER

Continuous Functions

For Students 12th - Higher Ed
In this continuous function worksheet, students determine the average velocity of objects over given intervals of time. They compute the derivative of functions and determine the slope of a line. This four-page worksheet contains...
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Worksheet
Curated OER

Functions

For Students 9th - 11th
For this functions worksheet, students solve 10 different problems that include various types of functions. First, they determine the value of the cotangent of 45 degrees. Then, students simplify the expression shown. In addition, they...
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Worksheet
Curated OER

Tangent

For Students 10th
For this tangent worksheet, 10th graders solve 10 different problems that include various tangent lines. They find the value of x using the tangent of each given angle of various triangles illustrated. Then, students identify and define...
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Worksheet
Curated OER

Special Right Triangles

For Students 10th
In this special right triangles worksheet, 10th graders solve 10 different problems that include solving equations that are special right triangles. First, they determine the exact value of each problem. Then, students use the...
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Worksheet
Curated OER

Equations of Graphs

For Students 9th
In this equations of graphs activity, 9th graders solve and graph 10 different problems that include various types of graphs. First, they determine the equation for each graph shown at the top of the sheet. Then, students determine on...
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Worksheet
Curated OER

Limits of Functions

For Students 10th - 12th
In this limits of functions worksheet, students find the limits of given functions. This one-page worksheet contains 3 multi-step problems.
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Worksheet
Curated OER

Half Angle Formula

For Students 9th - 11th
In this half angle formula worksheet, students use half angle formulas to find the value of given angles. This one-page worksheet contains 1 multi-step problems.
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Worksheet
Curated OER

Silly Sammie Seal

For Students 9th - 11th
In this seal worksheet, students match deratives and intervals to their answer.  They match equivalent problems.  This one-page worksheet contains 22 problems.
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Interactive
Curated OER

Five Find the Unknown Angle Interactive Problems

For Students 10th - Higher Ed
In this unknown angle worksheet, students use trigonometry functions in five problems to find the unknown angles.  Students may check their solutions and receive hints by using the "Check" and "Hint" button found at the bottom of the page.
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Lesson Plan
Curated OER

E, Pi, and Exponential Functions

For Teachers 11th - 12th
Young scholars discuss the difference between y=x^2 and y=2^x. They listen as the teacher defines "e." Students receive an information sheet on "e," as well as a history sheet on pi. They solve equations involving exponents and "e."
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Lesson Plan
Curated OER

Integrals by Partial Fractions (Heaviside Method)

For Teachers 11th - 12th
Learners listen as the teacher describes the Heaviside Method of integrating integrals. They solve several problems using the Heaviside Method, and practice deciding when this method can and can not be used. Students work several...
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Worksheet
Curated OER

Functions

For Students 12th - Higher Ed
In this function worksheet, students solve 4 different types of equations related to functions. First, they determine a particular solution to the low pass and plot the input and output of the same axes and compare. Then, students...
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Interactive
CK-12 Foundation

Half Angle Formulas: Half-Angle Formulas

For Students 10th - 12th
Slide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.
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Lesson Plan
Curated OER

Law of Cosines

For Teachers 7th - 9th
Students model scenarios using functions and their properties. In this trigonometry lesson, students calculate the angles of sine, cosine and tangent. They perform operation using a calculator.
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Lesson Plan
Curated OER

River Width

For Teachers 6th - 8th
Students determine the level of accuracy needed for computations involving measurements and irrational numbers. They use the correct number of digits in computation to achieve an appropriate unit or level of accuracy when solving...
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Worksheet
Curated OER

Precalculus Test 3 (4.4-4.5)

For Students 10th - 12th
In this precalculus test, students select the best answer from 8 multiple choice problems. They solve 4 short answer problems and graph one cycle of each of four equations.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Learners solve problems using the Pythagorean Theorem. For this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Worksheet
Curated OER

Precalculus Test

For Students 10th - 11th
In this calculus activity, students match cosine values with sine values. They solve trigonometric equations and graph functions. There are 20 questions with a bonus question.