The value of John's baseball card collection decreases exponentially over time, and the value of his silver collection increases
1 answer:
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Answer:
The reference angle is
Step-by-step explanation:
The given angle is
The reference angle is the acute angle, that a given angle makes with the x-axis.
First let us make a sketch of the given angle. <em>See diagram in attachment.</em>
Let be the reference angle of
Then, from the diagram, we need to subtract from
to get to
.
We can therefore write the following equation and solve for .
We group like terms to get,
We collect LCM to get,
We simplify to get,
We divide through by
to get,
The correct answer is D.
