AIEEE 2005 Math Solved Paper

Section: Mathematics
© examsiri.com
Question : 28 of 71
 
Marks: +1, -0
If cos−1x−cos−1‌
y
2
=α
, then 4x2−4xy‌cos‌α+y2 is equal to
[AIEEE 2005]
Go to Question: