Hello Reetu
It is there only.
Please check https://www.teachoo.com/1785/532/Ex-8.4--5----Prove-the-following-identities-(i)-cosec---cot/category/Ex-8.4/
Written on Feb. 3, 2020, 2:28 p.m.
-
Answer of this question
Where is the video of question no. 5part 3
Davneet Singh
Comment