JEE Main 2010Medium
Q.The range of f(x) = cos 2x is
a
[-1, 1]
b
[ -1/2, 1/2 ]
c
[0, 1]
d
[-2, 2]
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...
The correct solution involves applying the fundamental concept to derive the final value step by step...