Problem

Problem

If sin⁡θ+cos⁡θ=1\sin \theta + \cos \theta = 1 , then the minimum value of (1+cosec⁡θ)(1+sec⁡θ)(1 + \operatorname{cosec} \theta)(1 + \sec \theta) is a. 3 b. 4 c. 6 d. 9

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