If 4sin −1 x + cos −1 x = 𝜋 then find the value of x.
This is a question of CBSE Sample Paper - Class 12 - 2017/18.
You can download the question paper here https://www.teachoo.com/cbse/sample-papers/

CBSE Class 12 Sample Paper for 2018 Boards
CBSE Class 12 Sample Paper for 2018 Boards
Last updated at Dec. 16, 2024 by Teachoo
This is a question of CBSE Sample Paper - Class 12 - 2017/18.
You can download the question paper here https://www.teachoo.com/cbse/sample-papers/
Question 5 If 4sin 1 x + cos 1 x = then find the value of x. 4sin 1 x + cos 1 x = We know that sin 1 x + cos 1 x = /2 cos 1 x = /2 "sin 1 x" 4sin 1 x + / "sin 1 x" = 4sin 1 x "sin 1 x" = /2 3sin 1 x = /2 sin 1 x = 1/3 /2 sin 1 x = /6 sin 1 x = /6 x = sin /6 x = sin (180 )/6 x = sin 30 x = /