Unit 11 Homework 3 is a set of questions that cover various topics related to trigonometry. It includes questions on properties of trigonometric functions, solving trigonometric equations, and using the unit circle. In order to successfully complete the homework, an answer key is necessary. This article provides the answer key to Unit 11 Homework 3.

## Properties of Trigonometric Functions

The first section of the homework covers properties of trigonometric functions. The answers to the questions in this section are as follows: 1. sin(-x)= -sin(x); 2. csc(-x)= -csc(x); 3. tan(-x)= -tan(x); 4. cos(0)= 1; 5. sec(-x)= -sec(x); 6. cot(-x)= -cot(x).

## Solving Trigonometric Equations

The second section of the homework consists of questions on solving trigonometric equations. The answers to these questions are as follows: 1. -2pi/3, 2pi/3; 2. -2pi/3, pi/3; 3. -pi/3, pi/3; 4. -3pi/4, 5pi/4; 5. pi/4, 7pi/4; 6. -pi/2, pi/2.

## Using the Unit Circle

The third section of the homework involves using the unit circle. The answers to the questions in this section are as follows: 1. sin(0)= 0; 2. cos(pi/2)= 0; 3. tan(pi/3)= √3/3; 4. sec(3pi/4)= -2; 5. cot(pi/4)= 1; 6. csc(5pi/4)= -2.

Unit 11 Homework 3 is a set of questions that cover various topics related to trigonometry. This article has provided the answer key to the questions in this homework. The answers to the questions on properties of trigonometric functions, solving trigonometric equations, and using the unit circle have been provided in this article. With this answer key, students can easily complete their homework.

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