Verify each differentiation formula d -u (a) [Arccos(u)] = dx V1-u? (b)(Arccot(u)] = d -u dx 1+u² -u (c) [Arccsc(u)] : dx |u|Vu²-1

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A: NOTE: Refresh your page if you can't see any equations. . here we have

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

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A: Follow the procedure given below  

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A: NOTE: Refresh your page if you can't see any equations. . take derivative

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A: Follow the procedure given below.

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A: We will find the tangent line. 

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A: As per our guidelines, we are supposed to answer only one question at a time.   Given data are: Diam...

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A: NOTE: Refresh your page if you can't see any equations. .

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A: Let's find. 

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A: NOTE: Refresh your page if you can't see any equations. . ...............(1) substitute  ............

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