### We found 726 reviewed resources for sine

EngageNY

#### EngageNY Algebra II Module 2: Trigonometric Functions

Building on young mathematicians prior knowledge of geometry and algebraic functions, this 17-lesson unit introduces the topic of trigonometric ratios. Starting with the basic definitions of sine, cosine, and tangent, students move on to...

Lesson Planet

#### Law of Sines—Law of Sines and Law of Cosines

It's important to abide by the law. A thought-provoking instructional activity helps learners derive the Law of Sines. They then apply the Law of Sines to find unknown measures.

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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

#### Trigonometric Ratios: Sine

What happens when you don't have enough information to use the Pythagorean Theorem? Time for some trig! The second lesson in a series of four introduces the definition of sine, teaches how to find the sine ratio of a right triangle, and...

Lesson Planet

#### Deriving and Applying the Law of Sines

Breaking the law isn't possible when talking about the Law of Sines. Individuals learn to apply the Law of Sines to solve problems involving triangles. They also learn to derive the Law of Sines.

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#### Triangle Area: No Height? Use the Sine

No height? No problem! Learners use their knowledge and a little help from GeoGebra to develop the Law of Sines formula. The Law of Sines helps to determine the height of triangles to calculate the area.

Lesson Planet

#### Sine or Cosine Rule?

Explore triangle problems that require the Law of Sine or Law of Cosine. A straightforward lesson focuses on deciding when to use each law. The instructor presents several triangles for pupils to consider and describes patterns in the...

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#### Applying Laws of Sines and Cosines

How does the Law of Sines differ from the Law of Cosines? Learners, working cooperatively in small groups, try to gain insight into this question. The activities center around using both laws in different scenarios including real-world...

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#### Law of Sines

One must obey the sine laws. A instructional activity introduces and derives the Law of Sines for non-right triangles. With examples that use the Law of Sines to determine unknown measures in triangles, the instructional activity checks...

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#### The Sine of 57

What does the sine of every 57-degree angle have in common? A series of questions helps build the understanding of similarity in relation to the sine ratio. Ultimately, scholars realize that all 57-degree angles have the same sine value.

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#### Law of Sines

Laws are meant to be broken, right? Learners derive the Law of Sines by dropping a perpendicular from one vertex to its opposite side. Using the Law of Sines, mathematicians solve for various parts of triangles.

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#### Domain, Range, and Signs of Trigonometric Functions: Sine and Cosine

Is there a relationship between the sign of sine and cosine and the angle on the unit circle? Scholars use an interactive to see the value of sine and cosine within different quadrants. they then use the information to determine the...

Lesson Planet

#### Horizontal Translations or Phase Shifts: Sine

Shift a trigonometric function and find its new equation. Pupils translate a sine function on a graph. The scholars determine the equation of the function that represents the translated graph and observe the connection between a...

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#### What is the Law of Sines?

The Law of Sines is derived in this video by using formula for the area of a triangle that multiplies _ times two adjacent sides and the sine of their included angle.

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#### The Law of Sines and the Law of Cosines

In this college level trigonometry worksheet, students apply the Law of Sines and the Law of Cosines to solve triangles. The four page worksheet contains forty-four problems. Solutions are not provided.

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#### Sine and Cosine Graphs

Learners compare and contrast sine and cosine graphs in order to describe their characteristics in a collaborative activity. As they explain their reasoning, learners strengthen their writing and vocabulary skills associated with sine...

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#### Introduction to Law of Sines

Young scholars solve problems using the law of sines. For this sines lesson, students work in groups and individually to solve problems using the law of sines. They identify real life problems that require the use of the law of sines. ...

Lesson Planet

#### Law of Sines

In this Law of Sines worksheet, students describe, in their own words, when to use the law of sines. They give an example of a problem using the law of sines. This two-page worksheet contains one problem and a sample answer.

Lesson Planet

#### Sine Values and Angles

In this math activity, students are given 6 unit circles on an x-y axis with a sine value. Students are instructed to plot the sine values and find the angle associated with those points

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#### Technology for Displaying Trigonometric Graph Behavior: Sine and Cosine

Students explore the concept of sine and cosine. In this sine and cosine lesson, students work in groups to graph sine and cosine functions. Students examine how coefficients in various parts of each parent function shift the graph. ...

Lesson Planet

#### Discovering Sine and Cosine using Pythagorean Theorem

Students identify the sine, cosine and the Pythagorean Theorem and solve problems. In this geometry lesson, students relate the concept of trigonometry to solving real life problems.

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#### The Law of Sines

For this law of sines worksheet, high schoolers 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...

Lesson Planet

#### Following the Law of Sine

Laws were not meant to be broken. Learners apply the Law of Sines to solve triangles. After doing some practice problems, they solve a real-world problem involving a city planning project.

EngageNY

#### Extending the Domain of Sine and Cosine to All Real Numbers

Round and round we go! Pupils use reference angles to evaluate common sine and cosine values of angles greater than 360 degrees. Once they have mastered the reference angle, learners repeat the process with negative angles.