Question: (a) Assuming n 2 2, find the indicated elements of the recurrence relation below: cos (at) at = Fn(2) + Kncos-2(9t) dt, TER. Answers: Fn(x)

 (a) Assuming n 2 2, find the indicated elements of the

recurrence relation below: cos" (at) at = Fn(2) + Kncos"-2(9t) dt, TER.

(a) Assuming n 2 2, find the indicated elements of the recurrence relation below: cos" (at) at = Fn(2) + Kncos"-2(9t) dt, TER. Answers: Fn(x) = Kn = Hint: One approach uses Integration By Parts with u = cos"-(x) and du = cos(x) dx, together with a famous trigonometric identity. (b) Evaluate the given integral: / 18 cos (9t) dt = JO

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