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if cos[cos^-1 (2/5) =cos^-1 (x)]=0. find the value of x

if cos[cos^-1 (2/5) =cos^-1 (x)]=0. find the value of x

Grade:12

2 Answers

Vikas TU
14149 Points
4 years ago
Hiii 
 cos 2/5 = 66.421 
so , 
cos ^ -1 x = cos 66.25 
x = cos 2/5 
= 0.99 This will be the ans
Hope this helps 
regard
Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Question written contains error kindly repost with correct EQUATION

Regards

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