Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If α ∈ 
then the value of 
− 
is equal to:
A
2 cos 
B
2 sin 
C
2
D
none of these
Text Solution
Verified by ExpertsThe correct answer is:
A
α ∈ 
⇒ 
∈ 
– 
= 
– 
= 
– 
= 
– 
= 2 cos 
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