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Nitella [24]
3 years ago
7

How is domain of the function f(x)=cosx restricted so that its inverse function exists?

Mathematics
1 answer:
DIA [1.3K]3 years ago
6 0

Answer:

  see below

Step-by-step explanation:

The largest interval for x ≥ 0 where cos(x) passes the horizontal line test is [0, π]. Hence the domain must be restricted to that interval if the function is to have an inverse that gives values in the range [0, π].

The domain of the function is the same as the range of the inverse function. Restricting the cos(x) function domain to x ∈ [0, π] restricts the range (functional values) of the inverse function to the same interval.

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