## NCERT Solutions Class 11 Maths Chapter 3 TRIGONOMETRIC FUNCTIONS Exercise 3.1

**NCERT Solutions for Class 11 Maths Chapter 3: Trigonometric Functions - Exercise 3.1**

In this chapter of the NCERT Class 11 Maths textbook, we delve into the fundamental concepts of trigonometric functions. Exercise 3.1 introduces you to the basic principles and definitions that form the foundation of trigonometry.

### Key Concepts Covered:

**Angles and Their Measurement**:- Understanding angles, their measurement in degrees and radians, and the conversion between the two.
- Introduction to standard position of an angle and coterminal angles.

**Trigonometric Ratios**:- Detailed explanation of sine, cosine, tangent, cosecant, secant, and cotangent.
- Explanation of trigonometric ratios for different angles, particularly focusing on the key angles: \(\displaystyle {{0}^{\circ }},{{30}^{\circ }},{{45}^{\circ }},{{60}^{\circ }}\ \text{and}\ {{90}^{\circ }}.\)

**Trigonometric Identities**:- Introduction to the fundamental trigonometric identities.
- How these identities simplify the computation and solving of trigonometric expressions.

### Exercise 3.1 Overview:

The problems in Exercise 3.1 focus on the application of the basic trigonometric ratios and identities. You will solve various problems requiring the computation of trigonometric ratios for specific angles, convert between different angle measures, and use trigonometric identities to simplify expressions.

### Benefits of NCERT Solutions:

Our solutions are crafted to help you understand each step in detail, ensuring that you can tackle similar problems with ease. Each solution is accompanied by a clear explanation, so you not only get the correct answer but also understand the reasoning behind it.

**Step-by-Step Solutions**: Every question in Exercise 3.1 is solved step-by-step to enhance understanding.**Clear Explanations**: Each step is explained in detail, providing a deeper insight into the topic.**Practice for Exams**: Solving these exercises will prepare you for the types of questions you may encounter in your exams.

By thoroughly working through Exercise 3.1, you'll build a strong foundation in trigonometric functions, setting you up for success in more advanced topics covered later in this chapter.

NCERT Solution Class 11 Maths Chapter 3 Exercise 3.1

**Class 11 Maths Chapter 3 Exercise 3.1 (Page-48)**

#### EXERCISE 3.1