Final answer to the problem
$\cot\left(x\right)^2$
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Step-by-step Solution
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Applying the cotangent identity: $\displaystyle\cot\left(\theta\right)=\frac{\cos\left(\theta\right)}{\sin\left(\theta\right)}$
$\cot\left(x\right)^2$
Final answer to the problem
$\cot\left(x\right)^2$