I k 1 the graphs of y sin x and y ke-x intersect for x


Question: If k ≥ 1, the graphs of y = sin x and y = ke-x intersect for x ≥ 0. Find the smallest value of k for which the graphs are tangent. What are the coordinates of the point of tangency?

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Mathematics: I k 1 the graphs of y sin x and y ke-x intersect for x
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