I For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable. Enter your answers as a comma-separated list.) f(x) = x + 2 sin(x)

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A: SOLUTION-

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A: Solution

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A: Given equilateral triangles congruents to triangle BSR  and OS = a          OT = b

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Q: Verify by Differentiation

A: This question can be solved using the concept of differentiation of function of function.

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A: Use the gradient of function for finding the directional derivative.

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A: This question is based on Sine function.

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