### We found 188 reviewed resources for trigonometry ratios

Lesson Planet

#### Trigonometry Ratios in Right Triangles

In this trigonometry ratios in right triangles worksheet, 10th graders solve 10 different trigonometric ratios that apply to right triangles. First, they define a trigonometric ratio and its three most common ratios, sine, cosine, and...

Lesson Planet

#### Trigonometry Ratios in Right Triangles

In this trigonometry ratios in right triangles worksheet, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students locate the...

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#### Trigonometry

Students identify the different ratios of a right triangle. In this trigonometry lesson plan, students calculate the sine, cosine and tangent of a right triangle. They differentiate between right and oblique triangles.

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#### Introduction to Trigonometry

The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...

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#### Trigonometry

This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...

EngageNY

#### Trigonometry and the Pythagorean Theorem

Ancient Egyptians sure knew their trigonometry! Pupils learn how the pyramid architects applied right triangle trigonometry. When comparing the Pythagorean theorem to the trigonometric ratios, they learn an important connection that...

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#### Basic Trigonometry and Radians

A fabulous set of examples and problems that introduce basic trigonometry concepts, this packet is set apart by the care it takes to integrate both radians and degrees into the material. After defining radians, the author demonstrates...

EngageNY

#### Incredibly Useful Ratios

Start the exploration of trigonometry off right! Pupils build on their understanding of similarity in this instructional activity that introduces the three trigonometric ratios. They first learn to identify opposite and adjacent...

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#### Trigonometry Ratios

Students identify the different angles and sides of a triangle. For this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.

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#### Trig Ratios of General Angles

In this trig ratios worksheet, students determine the angle measurement of trigonometric ratios. They find the value of trigonometric function. This approximately four-page worksheet contains 24 problems. Answers are provided on the last...

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#### Special Right Triangles and Right Triangle Trigonometry

Right triangles are so special! Use special right triangles to discover the trigonometric ratios. Pairs construct special right triangles and find the values of the ratios of the sides. In the process, they discover the ratios stay the...

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#### Trig Ratios

Students derive the six trigonometric ratios. In this trigonometry lesson, students use trigonometric properties to find the missing angles of triangles.

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#### Area of Triangle Using Trigonometry

For this trigonometry worksheet, students determine the area of triangles using the trigonometry ratios of sine, cosine, and tangent. This one-page worksheet contains ten problems.

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#### The Cosine Ratio

Help your classes understand the relationship between trigonometric ratios and similarity. A set of questions ask scholars to consider the ratio of sides of similar figures. They conclude that all similar triangles must have the same...

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#### Proof: Law of Sines

In this video, Sal proves the Law of Sines by using the SOH-CAH-TOA model and setting up equivalent ratios.

Lesson Planet

#### Trigonometry Introduction

Don't go off on a tangent. An instructive video describes how to find the sine, cosine, and tangent ratios of an angle in a right angle. It describes how to label the sides of a right triangle and how to use mnemonics to remember the...

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#### Worksheet 6.6 Analysis: Trig Ratios

In this trig ratios instructional activity, students determine the exact value of given expressions. This one-page instructional activity contains 12 multi-step problems.

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#### Exploration of Trigonometry

Learners explore how changing an angle in a triangle changes the ratio of the sides. They also explore how changing the sides can make changes to an angle in a triangle. Finally, they determine how two different pairs of sides, in the...

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#### The Tangent Ratio

Students calculate the tangent ratio given a right triangle. In this trigonometry lesson, students use a right triangle and the Pythagorean Theorem to solve problems.

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#### Further Trigonometry

In this trigonometry worksheet, students solve and complete 5 various types of problems. First, they find the exact ratios for each trigonometric function. Then, students use the expansion to find the exact value of a given trig...

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#### Measuring Strings using Trig Ratios

Students measure strings. In this trigonometry lesson, students use a protractor and scientific calculators to measure strings hanging from the ceiling. Students use trigonometric ratios.

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#### Missing Angles

In this missing angle worksheet, students use trigonometry ratios to determine the measurement of a missing angle. Students identify sine, cosine and tangent ratios. This one-page worksheet contains ten problems.

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#### Ratios in Right Triangles

Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...

Lesson Planet

#### Review of Trig Ratios

In this trigonometric ratios worksheet, students solve and complete 10 various types of problems. First, they write the degrees listed in radian measure. Then, students find the exact ratios for each equation. They also find the value of...