sec²3x dr 1+4 tan 3x Evaluate

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A: No, because f is defined on [2,7).so we f(7) cannot determined

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A: note that  Sin(90°-theta)= cos(theta)

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A: The cofactor of the matrix can be calculated using the formula Cij=(−1)i+jMij. Here, Mij is the…

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