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Let f(t) = -2 sin(t) Determine the average value, f(c), of f over 7, 27 - f (c ) 18V3 X Determine the value(s) of c in [27 ,27] guaran 27 guaranteed by the Mean Value Theorem. Round the solution(s) to four decimal places, if necessary. X 6 Hint: Recall that the MVT guarantees at least one value of c E [a, b] such that f (c) - - b - a . f(x) dx, provided f is continuous over [a, b]