Teaching EMRS TGT Mock Test 2023 Mathematics Differential Calculus Evaluation of derivatives

यदि x = sin t - t cos t और y = t sin t + cos t, तो बिन्दु \(\rm t=\frac{\pi}{2}\) पर \(\rm \frac{dy}{dx}\) का मान क्या होगा?

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0
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\(\rm \frac{\pi}{2}\)
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\(-\rm \frac{\pi}{2}\)
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1
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