Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The difference between the greatest and the least possible value of the expression 3-cos x + sin 2 x is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
3 - cos x + 1 – cos 2 x
= -(cos 2 x + cos x) + 4
Maximum value (at 
) = 
Minimum value (at cosx = 1) = 
Difference 
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