# Class 10 Maths NCERT Exemplar Solution: Introduction to Trigonometry & its Applications (Part-IB)

In this article you will get the NCERT Exemplar Problems and Solutions (Part-IB) for class 10 Mathematics chapter 8, Introduction to Trigonometry and its Applications. This part contains solutions Q. No. 9-15 of exercise 8.1 of NCERT Exemplar for Mathematics chapter 8. Every question is provided with a detailed and easy explanation.

Created On: Jul 31, 2017 17:43 IST Here you get the CBSE Class 10 Mathematics chapter 8, Introduction to Trigonometry and its Applications: NCERT Exemplar Problems and Solutions (Part-IB). This part of the chapter includes solutions of Question Number 9 to 15 from Exercise 8.1 of NCERT Exemplar Problems for Class 10 Mathematics Chapter: Introduction to Trigonometry and its Applications. This exercise comprises only the Multiple Choice Questions (MCQs) framed from various important topics in the  chapter. Each question is provided with a detailed solution.

Class 10 Maths NCERT Exemplar Solution: Introduction to Trigonometry & its Applications (Part-IA)

NCERT Exemplar problems are a very good resource for preparing the critical questions like Higher Order Thinking Skill (HOTS) questions. All these questions are very important to prepare for CBSE Class 10 Mathematics Board Examination 2017-2018 as well as other competitive exams.

Find below the NCERT Exemplar problems and their solutions for Class 10 Mathematics Chapter, Introduction to Trigonometry and its Applications:

Exercise 8.1

Multiple Choice Questions (Q. No. 9-15)

Question. 9 If sin A + sin2 A = 1 then the value of (cos2 A + cos4 A) is

⟹         tanθ = tan60°

⟹           θ = 60°

Hence, the Sun's elevation is 60°.

NCERT Solutions for CBSE Class 10 Maths

NCERT Exemplar Problems and Solutions Class 10 Science: All Chapters

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