This video is on Q. 9 (Ex. 8.1) of Ch. 8 ( Introduction to trigonometry ) - class 10.
Chapter 8 | Exercise 8.1 | Q. No. 9 | Class 10 Maths | NCERT solutions | CBSE
Q. 9 : In triangle ABC, right-angled at B, if tan A = 1/3 , find the value of:
(i) sin A cos C + cos A sin C
(ii) cos A cos C – sin A sin C
For more such videos, Like, Share and Subscribe to GyanMe.
Download the App from Google Playstore [ Ссылка ]
Follow us on facebook & Instagram
[ Ссылка ]
[ Ссылка ]
