Answer (Detailed Solution Below)

Option 1 : -2
Free
General Knowledge for All Defence Exams (शूरवीर): Special Live Test
20 Qs. 20 Marks 16 Mins

Detailed Solution

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Concept:

The range of sine function is [-1,1] i.e 

 

Calculation:

We can write, 

So, from the relation, we can conclude that the minimum value of 2sin(A - ) is -2.

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