Question

What is the range of f(x) = A cos(x) +b or
g(x) = A sin(x)+b?

Answer 1

Explanation:

The range of f(x) = cos(x) is [-1, 1].

That of f(x) = A cos(x) is [-A, A], and

That of f(x) = A cos(x) + 2 is [ b-A, b+A ].

The function g(x) = A sin(x)+b has the same range.