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If 4sin
^{
−1
}
x + cos
^{
−1
}
x = ๐ then find the value of x.

Download Sample Paper of Class 12 here https://www.teachoo.com/cbse/sample-papers/

Last updated at May 29, 2018 by Teachoo

Download Sample Paper of Class 12 here https://www.teachoo.com/cbse/sample-papers/

Transcript

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 = /

Paper Summary

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Question 5 You are here

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Question 28

Question 29

Class 12

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.