(Solved): Do not use a calculator for this problem. Find the x-value where the maximum ...

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Do not use a calculator for this problem. Find the $$x$$-value where the maximum value of $$y=\sin x?5x^2$$ occurs. When you need to solve for an expression equal to zero, use Newton's method with $$x=0$$ as your first guess and enter your second guess as the answer. Enter your answer as a fraction. Question Help: E