y' cos x + y sin x = 2cos³x sin x- 1 What is the particular solution when y(T/4)=3v2 ?

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A: Pi/4

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A: Since you have posted multiple questions, we will solve only first question for you. To getremaining…

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A: i am going to solve the given problem by using some simple calculus to get the required result.

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A: Answer to question number 8 and 9 are as below,

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