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Cotangent of an inverse trigonometric sum

High school · ●●○○○ 20 pts

If cot⁡(cos⁡−135+sin⁡−1x)=0\cot\left(\cos^{-1}\frac{3}{5}+\sin^{-1}x\right)=0, find the value of xx. Give your answer as a decimal.

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