0606 P21 - Jun 2025 - Q5 - 4 marks
7143
Given that \(y=x^{2} \tan \frac{x}{2}\), use calculus to find the approximate change in \(y\) as \(x\) increases from \(\frac{\pi}{3}\) to \(\frac{\pi}{3}+h\), where \(h\) is small.
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