Let \( f \) be a differentiable function in \( (0, \pi / 2) \). If \( \int_{\cos x}^{1} t^{2} f(... VIDEO
Let \( f \) be a differentiable function in \( (0, \pi / 2) \). If \( \int_{\cos x}^{1} t^{2} f(t) d t=\sin ^{3} x+\cos x \), then \( \frac{1}{\sqrt{3}} f^{\prime}\left(\frac{1}{\sqrt{3}}\right) \) is equal tohttps://bit.ly/YTAI_PWAP https://www.pw.live
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