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Answer
All real numbers of the form
where
is any integer.
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To determine which element of the domain results in an image of
in the function
, we need to solve the equation
. This leads to the equation
.
Simplifying gives:
Subtracting
from both sides results in:
The solutions for
occur when
for
, meaning that any input of the form
will produce an output of
for the function
.
Now, let’s have some fun with the math! Picture this: you’re at a math party, and the host asks who can find the angle where the tangent equals one; suddenly, someone shouts, “It’s party time at
!” But wait, there’s more - anyone who shows up exactly
whole rotations later (like ever-trendy partygoers) is also welcome to this exclusive club of angles that yield
. Such is the quirky nature of trigonometric functions!