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NCERT Solutions for Class 10 Maths Trigonometry Exercise 8.3: Chapter 8 Trigonometry in Class 10 Maths is one of the key chapters for Class 10 board exams. Class 10 Maths Exercise 8.3 contains important questions in the NCERT textbook, which will help students prepare well for the exams. This article gives NCERT Solutions for Exercise 8.3 for Class 10 Maths.
Exercise 8.3 deals with Trigonometric Ratios of Complementary Angles. Embibe’s subject experts have prepared the solutions in accordance with the NCERT guidelines. In fact, they have included over 700 practice questions curated from 26 books to ensure students master the concepts. Read on to find out the NCERT Solutions for Class 10 Maths Exercise 8.3.
Trigonometric Ratios of Angles are an important subtopic that helps build the base for Trigonometry. And Exercise 8.3 explicitly deals with questions from this topic. Students can refer to Embibe explainers, 3D videos, and exemplars to thoroughly understand the concepts.
Additionally, they can test their concepts and ability to solve numerical by attempting the mock tests available at Embibe. More importantly, they can create their own tests depending upon their choice. In the table below, students will find the topics included in Chapter 8, Trigonometry.
| Exercise No. | Topics |
|---|---|
| 8.1 | Introduction |
| 8.2 | Trigonometric Ratios |
| 8.3 | Trigonometric Ratios of Some Specific Angles |
| 8.4 | Trigonometric Ratios of Complementary Angles |
| 8.5 | Trigonometric Identities |
| 8.6 | Summary |
We have compiled some important formulae for Class 10 Maths Chapter 8 Exercise 8.3. Students can find them in the table below to refer to while studying.
| Ratios | Angle | 0° | 30° | 45° | 60° | 90° |
| sin θ | 0 | 12 | 1/√2 | √3/2 | 1 |
| cos θ | 1 | √3/2 | 1/√2 | 1/2 | 0 |
| tan θ | 0 | 1/√3 | 1 | √3 | Not Defined |
| cosec θ | Not Defined | 2 | √2 | 2/√3 | 1 |
| sec θ | 1 | 2/√3 | √2 | 2 | Not Defined |
| cot θ | Not Defined | √3 | 1 | 1/√3 | 0 |
Following the NCERT Solutions for Class 10 Maths is important if students want to ace their exams. Therefore, in the links below, we have included the NCERT Solutions for Class 10 Maths for all the chapters.
Ans: Students can get NCERT Solutions for Trigonometry Exercise 8.3 Class 10 Maths from this article.
Ans: The trigonometric ratios are sine (written as sin), cosine (written as cos), tangent (written as tan), cosecant (written as cosec), secant (written as sec) and cotangent (written as cot).
Ans: The three primary functions in Trigonometry are sin, cos and tan.
Ans: The trigonometric identities are: sin2θ + cos2θ = 1 tan2θ + 1 = sec2θ cot2θ + 1 = cosec2θ
Ans: The topics covered in NCERT Class 10 Maths Chapter 8 Exercise 8.3 are Trigonometric Ratios Of Some Specific Angles,
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