f (x) = 2 cos x (a) Find the zeros of f on the interval [-2, 4].
Question:
f (x) = 2 cos x
(a) Find the zeros of f on the interval [-2π, 4π].
(b) Graph f(x) = 2 cosx on the interval [-2π, 4π].
(c) Solve f(x) = -√3 on the interval [-2π, 4π]. What points are on the graph of f? Label these points on the graph drawn in part (b).
(d) Use the graph drawn in part (b) along with the results of part (c) to determine the values of x such that f(x) < -√3 on the interval [-2π, 4π].
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a To find the zeros of fx 2 cos x on the interval 2 4 we need to find the values of x for which fx 0 ...View the full answer
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