Final answer to the problem
$\left(1-x\right)\tan\left(\frac{\pi}{2}x\right)$
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Step-by-step Solution
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1
Take $\frac{\pi }{2}$ out of the fraction
$\left(1-x\right)\tan\left(\frac{\pi}{2}x\right)$
Final answer to the problem
$\left(1-x\right)\tan\left(\frac{\pi}{2}x\right)$