BlogNCERTNCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.3

NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.3

Get Free NCERT Solutions for Class 10 Maths Chapter 8 Ex 8.3 Introduction to Trigonometry Class 10 Maths NCERT Solutions are extremely helpful while doing homework. Experienced Teachers prepared exercise 8.3 Class 10 Maths NCERT Solutions. Detailed answers to all the questions in Chapter 8 Maths Class 10 Coordinate Geometry Exercise 8.3 are Provided in NCERT Textbook.

Topics and Sub Topics in Class 10 Maths Chapter 8 Introduction to Trigonometry:

Section Name Topic Name
8 Introduction to Trigonometry
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

You can also download the free PDF of Chapter 8 Ex 8.3 Coordinate Geometry NCERT Solutions or save the solution images and take the printout to keep it handy for your exam preparation.

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    Board CBSE
    Textbook NCERT
    Class Class 10
    Subject Maths
    Chapter Chapter 8
    Chapter Name Introduction to Trigonometry
    Exercise Ex 8.3
    Number of Questions Solved 7
    Category

    NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.3

    Ex 8.3 Class 10 Maths Question 1.
    Evaluate:
    NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.3 Q1
    Solution:
    NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.3 Free PDF Download

     

    Ex 8.3 Class 10 Maths Question 2.
    Show that:
    (i) tan 48° tan 23° tan 42° tan 67° = 1
    (ii) cos 38° cos 52° – sin 38° sin 52° = 0
    Solution:
    NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.3 Free PDF Q2

     

    Ex 8.3 Class 10 Maths Question 3.
    If tan 2A = cot (A – 18°), where 2A is an acute angle, find A’s value.
    Solution:
    NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.3 Q3

    Ex 8.3 Class 10 Maths Question 4.
    If tan A = cot B, prove that A + B = 90°.
    Solution:
    NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.3 PDF Q4

    Ex 8.3 Class 10 Maths Question 5.
    If sec 4A = cosec (A – 20°), where 4A is an acute angle, find A’s value.
    Solution:
    Exercise 8.3 Class 10 NCERT Solutions Chapter 8 Trigonometry PDF Download Q5

    Ex 8.3 Class 10 Maths Question 6.
    If A, B and C are interior angles of a triangle ABC, then show that: sin (\(\frac { B+C }{ 2 }\)) = cos \(\frac { A }{ 2 }\)
    Solution:
    Exercise 8.3 Class 10 NCERT Solutions Chapter 8 Trigonometry PDF Q6

    Ex 8.3 Class 10 Maths Question 7.
    Express sin 61° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.
    Solution:
    Trigonometry Class 10 Chapter 8 Exercise 8.3 NCERT Solutions Q7

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