θ is a positive acute angle and sinθ cosθ= 0, then the value of secθ + cosecθ is

θ is a positive acute angle and sinθ cosθ= 0, then the value of secθ + cosecθ is
1). 2
2). $\sqrt{2}$
3). 2$\sqrt{2}$
4). 3$\sqrt{2}$

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