Question

A point X is randomly selected from the interval (0, ). the probability density function
4
4
,0 < x <
π
4 .
is f(x) = { π
0, otherwiseThen find (i)E( sin3x)(ii)E(cos4x)(iii)E(sin 2 x) (iv)E(cos 2 x).

Answer 1

Answer:

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Answer 2

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