Question 5 - CBSE Class 12 Sample Paper for 2018 Boards - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at Dec. 16, 2024 by

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/

If 4sin-1 x + cos-1 x = pi, then find value of x - Teachoo

Question 5 - CBSE Class 12 Sample Paper for 2018 Boards - Part 2

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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 = /

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo