# Using Trigonometry | Algebra 2 Unit with Videos

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### Description

Each lesson in this Matrices Unit is taught via video with accompanying notes, review, and assessments. This unit teaches the following concepts:

**Area & Law of Sines****The Law of Cosines****Basic Trig Identities****Simplifying Trig Expressions****Basic Trig Equations****Trig Equations with Different Periods**

This unit includes:

**Video lessons**that teach each concept in a way students can easily understand**Guided student notes**that keep students engaged, hold them accountable, and serve as a fantastic study tool (teacher’s version is also included)**Quick review videos**to reinforce key concepts**Unit review & study guide**that teach study skills & improve test scores**Editable assessments**that make it easy to accurately assess students' skills**BONUS!! Law of Sines Ambiguous Case Activity**- Deepens conceptual understanding of recently taught skills.- NOTE: This unit DOES NOT contain differentiated practice sets.

Here’s a detailed list of the objectives taught in this unit:

**12.1 Area & Law of Sines **

OBJECTIVE 12.1A: To use the law of sine to determine the area of an oblique triangle

OBJECTIVE 12.1B: To use the law of sines to solve oblique triangles

OBJECTIVE 12.1C: To determine all angle measures & side lengths of the ambiguous case

**12.2 The Law of Cosines **

OBJECTIVE 12.2: To use the law of cosines to solve oblique triangles

**12.3 Basic Trig Identities **

OBJECTIVE 12.3A: To identify basic trig identities OBJECTIVE 12.3B: To verify basic trig identities

**12.4 Simplifying Trig Expressions **

OBJECTIVE 12.4: To simplify trig expressions

**12.5 Basic Trig Equations **

OBJECTIVE 12.5A: To solve trig equations for a given interval where “b” = 1

OBJECTIVE 12.5B: To find all solutions for trig equations where “b” = 1

**12.6 Trig Equations with Different Periods **

OBJECTIVE 12.6A: To solve trig equations for a given interval where “b” ≠ 1

OBJECTIVE 12.6B: To find all solutions for trig equations where “b” ≠ 1

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As veteran math teachers, we’ve learned firsthand how to explain complex topics in a way that makes sense to students. We absolutely love those light bulb moments and are committed to bringing more of them to your students as well. Hence our name - MathLight!

We’re here to provide you with awesome resources to enhance your math classroom. But what makes our program uniquely amazing is that it’s fully integrated with video lessons.

**You're going to LOVE having videos that teach & review each lesson. **You can use them to...

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Combine our awesome video lessons with the complete system of guided notes, differentiated practice, and editable assessments, and you have all you need to create a dynamic, engaging, and successful classroom culture.

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More MathLight Algebra 2 Units:

Unit 8: Exponential and Logarithmic Functions

Unit 10: Conic Sections/ Quadratic Relations

Unit 11: Periodic Functions & Trigonometry

Unit 12: Using Trigonometric Identities

Unit 13: Sequences & Series