If 3x = cosec θ and \frac{3}{x} = cotθ then 3 \left(\right. x^{2}

Foundation

Mathematics Foundation

Introduction to Trigonometry

Question

If 3x = cosec θ and $\frac{3}{x} = cotθ$ then $3 (x^{2} - \frac{1}{x^{2}}) = ?$

$\frac{1}{9}$

$\frac{1}{81}$

$\frac{1}{3}$

$\frac{1}{27}$

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