Find the critical numbers of the function. (Enter your answers as a comma-separated list.) h(x) = sin? x + cos x 0

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A: Solution is written in below steps.

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A: Topic = Integration Correct answer tan x =sin xcos x  

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A: The arithmetic progression 10, 5, 0, -5

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A: I am attaching image so that you understand each and every step.

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A: Explanation of the answer is as follows

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A: Explained below 

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A: The objective is to find  the difference of the progression.

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Q: Let an​ be an arithmetic progression, for which a3​=13 and a11​=25. Find a7​

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