1. Let = =(3, 2, 1) and 5 = (-4,3₁-1) e) Evaluate (3a+46) (3a - 4b). f) Find the angle between a and b g) Find a unit vector to a, in opposite direction.

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A: Simplify 12 cos(4x) sin(4x)

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A: We will evaluate the given integral by using odd and even power method in the following step.

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A: Here are the solutions:

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A: Follow the procedure given below.

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