7. Integrate: S sec? (n²x)dx A. 2n tan n² + C В. x sec2 п2 + С C.금tan(T2x) + C D. x sec nx + C 8. Integrate: S sin 3 x sin 6 xdx A. sin3 3x + C C.(sin 3 x –sin 9 x)+C B. (sin 3 x + cos 3 x) + C D. sin 3 x cos 9 x + C

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A: As per our guideline, we are supposed to solve only first question. Kindly repost other question as…

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A:

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A: Apply reduction formula:∫sinnx dx = n-1n∫sinn-2(x)dx - cosx. sinn-1(x)nwith n=4∫sin4x dx =…

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

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A: Formula's

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A: Solution of given problem is followed by

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A: Topic = Trigonometry

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A: INTEGRATION

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A: We use cot(x)=tan(90-x) property

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Q: i) Simplify sin(2sin-1x). ii) Show that sin 30 = 3 sin 0 – 4sin30. iii) By using the substitution 0…

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Q: Q3) A: Find y if: a- y = sin 2x + 2 cos x c- y = sin √x (As... b- y = secx. csc x d- y = tan(2x + 1)

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A: First, we rewrite the given equation in a more familiar form. The given equation…

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A: The statement is TRUE  The detailed solution is as follows below:

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A: Solve the following

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