The average value of cos x on the interval [–3, 5] is A) (sin 5 – sin 3)/8 B) (sin 5 – sin 3)/2 C) (sin 3 – sin 5)/2 D) (sin 3 + sin 5)/2 E) (sin 3 + sin 5)/8
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Originally Posted by frozenflames The average value of cos x on the interval [–3, 5] is A) (sin 5 – sin 3)/8 B) (sin 5 – sin 3)/2 C) (sin 3 – sin 5)/2 D) (sin 3 + sin 5)/2 E) (sin 3 + sin 5)/8 First find the definite integral, Which is by the fundamental theorem, Now divide by the length of the interval which is, Thus, the answer is,
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