Mark the correct alternative in the following:
The maximum value of 
is (θ is real)
∆=cos θ (1-1-sin θ)
∆=-cos θ sin θ
-1 ≤sin 2θ≤1
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1
Mark the correct alternative in the following:
The maximum value of is (θ is real)
∆=cos θ (1-1-sin θ)
∆=-cos θ sin θ
-1 ≤sin 2θ≤1
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