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Worksheet
Curated OER

Inverse Functions in Trigonometry

For Students 9th - 10th
For this inverse functions in trigonometry worksheet, learners find the missing angles in eight right triangles, given the length of two sides.
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Worksheet
Curated OER

Trigonometry: Circles and Angles

For Students 11th - Higher Ed
In this circle and angel worksheet, students identify angles that correspond to a point on the unit circle. They give their solution in both degrees and radians. This two-page worksheet contains 20 problems.
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Worksheet
Curated OER

Trigonometric Identities

For Students 11th - 12th
In this trigonometry worksheet, students solve and analyze the reciprocal, quotient, Pythagorean and Cofunction Identities. They also discuss sum and difference identities, double angle and half angle identities.
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Worksheet
Curated OER

The Law of Sines

For Students 9th - 12th
For this law of sines worksheet, learners use the law of sines to find the missing measurement in a triangle. They determine the value of angles and the lengths of triangles. Students compute the area of triangles. This four-page...
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Instructional Video15:48
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Flipped Math

Sectors and Segments

For Students 9th - 12th Standards
It's a piece of pizza! Pupils learn about a sector of a circle as a slice of the circle and determine how to find its area. Scholars continue to find out how to calculate the segment of a circle based on the sector's area. At the end,...
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Worksheet
Curated OER

Law of Sines

For Students 10th - 12th
For this Law of Sines worksheet, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page worksheet contains ten trigonometric ratio problems.
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Activity
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Curated OER

Access Ramp

For Teachers 9th - 12th Standards
Just about every public building that your students are familiar with has an access ramp which complies with ADA requirements. As it turns out, designing such a ramp is an excellent activity to incorporate slope, the Pythagorean Theorem,...
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Lesson Plan
Curated OER

Refraction B2—When is Light Reflected Internally?

For Students 9th - 12th Standards
Physics is phun in this lesson. Young physicists use a lightbox to test how and where light is refracted and reflected as it travels through transparent materials. Angles of incidence and refraction, sine of both angles, and the ratio...
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Assessment
1
1
Illustrative Mathematics

Calculations with Sine and Cosine

For Students 9th - 12th Standards
Practice makes perfect and perfecting those trigonometric functions are vital in trigonometry. The task requires evaluating cosine and sine values at common degree measures before looking at the results. Is there a pattern when the...
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Worksheet
Curated OER

Practice Problems

For Students 9th - 12th
In this geometry worksheet, students practice finding the measure of 4 different angles. Students work independently as they refine their ability to correctly calculate the measure of an angle.
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Lesson Plan
Curated OER

Sine

For Teachers 10th - 12th
In this sine worksheet, young scholars use the trigonometry equation to find the sine of triangles. Students solve the sine for 10 triangle problems.
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Worksheet
Curated OER

Using the Law of Sines and the Law of Cosines to Solve Triangles

For Students 10th - 12th
In this trigonometry worksheet, students apply the Law of Sines and Cosines to solving for missing sides of a triangle. There are 5 questions with an answer key.
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Worksheet
Curated OER

Trig Twisters

For Students 9th - 11th
In this trig activity, students use the law of sines, cosine, and tangent to solve problems. They work with a partner to find the measurement of angles to the nearest degree and the product of sines. This two-page activity contains 18...
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Worksheet
Curated OER

Vertical Tower 2

For Students 11th - 12th
In this trigonometry worksheet, students prove that for the given conditions of the problem that cos y = cos2 x.  The one page worksheet contains one problem with the solution. 
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Worksheet
Curated OER

Trigonometric Equations

For Students 11th
In this trigonometric equations worksheet, 11th graders solve 10 different problems that include trigonometric functions. First, they order the equation in terms of one equation and one angle. Then, students write the equation as one...
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Worksheet
Curated OER

Year 10 Mathematics Triangle Test

For Students 11th - Higher Ed
In this math worksheet, students find the solutions to the missing angles and sides of the triangles using the correct trigonometric ratios.
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Worksheet
Curated OER

Trigonometric Ratios

For Students 10th
In this trigonometric ratios worksheet, 10th graders solve 9 different problems that include determining the trigonometric ratios of each triangle. First, they determine the sides and angles of a right triangle that is shown in each...
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Interactive
Curated OER

Method for Remembering the Coordinates of the Points in the First Quadrant on the Unit Circle

For Students 11th - Higher Ed
In this Unit Circle worksheet, students explore a method to help remember the coordinates of the points in the first quadrant on the unit circle.  Answers are provided as well as a completed unit circle.
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Worksheet
Curated OER

Number of Solutions for a Triangle

For Students 11th - Higher Ed
In this solutions for a triangle worksheet, students use trigonometric ratios to determine the number of triangles that can be constructed with the given sides and angles. This one-page worksheet contains 22 problems.
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Worksheet
Curated OER

Radian Measures

For Students 8th - 10th
In this math worksheet, students determine the radian measures for the different fractions or angles for the circles. Then students apply the knowledge to an advanced word problem in number 13.
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles learning exercise, 10th graders solve 10 different problems that include various right triangles. First, they find the value of a base given its hypotenuse. Then, students determine an angle given the perimeter...
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Assessment
Mathed Up!

Sine and Cosine Rules and Area of Triangles

For Students 9th - 12th
Learners discover how to find missing sides and angles using trigonometry. Scholars first watch a video covering the Law of Sines and Cosines, as well as the area formula for a triangle. To test their knowledge, they complete a worksheet...
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Worksheet
Curated OER

Trigonometric Functions

For Students 11th
In this trigonometric functions worksheet, 11th graders solve and complete 5 different sets of problems. First, they find each angle using angle addition/subtraction formulas as shown. Then, students prove each of the identities provided.
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Worksheet
Curated OER

Graphing Trigonometric Functions

For Students 11th - 12th
In this geometry learning exercise, students identify an angle as an angle of elevation or depression and solve problems in which they find the indicated distance. The one page learning exercise contains eight multi-part problems....

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