Please Login To Continue
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (7,8 and 9) (in Hindi)
Lesson 3 of 6 • 1 upvotes • 9:49mins
Brijesh Sharma
These videos are the solution of CBSE NCERT book of class X. In this lesson, 3 sums are solved of Exercise 8.1 7. If cot θ = 7/8, evaluate: (i) (1 + sin θ)(1-sin θ)/(1 + cos θ)(1 - cos θ) (ii) cot^2θ 8. If 3 cot A = 4, check whether (1-tan^2A)/(1+tan^2A) = cos^2A-sin^2A or not. 9. In triangle ABC, right-angled at B, if tan A = 1/ find the value of: (i) sin A cos C + cos A sin C (ii) cos A cos C – sin A sin C
(Hindi) Introduction to Trigonometry | Class X | Chapter 8 | (CBSE) NCERT Full Solution
6 lessons • 58m
1
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (1,2 and 3) (in Hindi)
10:09mins
2
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (4,5 and 6) (in Hindi)
8:17mins
3
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (7,8 and 9) (in Hindi)
9:49mins
4
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.1 (10 and 11) (in Hindi)
9:02mins
5
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.2 (1-i, ii, iii, iv and v) (in Hindi)
10:19mins
6
Class X(CBSE)| Maths | NCERT Textbook Solution | Exercise 8.2 (2 [i, ii, iii, iv], 3, 4) (in Hindi)
10:27mins
Crack CBSE Class 10 with Unacademy
Get subscription and access unlimited live and recorded courses from India's best educators
Structured syllabus
Daily live classes
Ask doubts
