1.

If \frac{\sin x}{\cos x} \times \frac{\sec x}{\operatorname{cosec} x} \times \frac{\tan x}{\cot x}cosxsinx​ × cosecxsecx​ × cotxtanx​ = 9 where x \inx∈ (0, \frac{\pi}{2}0, 2π​ )then the value of x is \frac{\pi}{4} 4π​ \frac{\pi}{3} 3π​ \frac{\pi}{2} 2π​ \frac{\pi}{6} 6π​

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