Given the right triangle shown, which of the following represents the value of Cos C?
1 answer:
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The graph of the parent function is well -known (see attached diagram for details, green curve).
Make such transformations:
- translate graph of parent function
3 units to the left (violet curve), then you obtain the function
- compress function
in the x-direction by multiplying x by 3 (black curve), then you get the function
- reflect the function
across the line
(red curve). You get the function
- translate the function
1 unit down (blue curve) to get the function
ANSWER
EXPLANATION
The given functions are;
and
We now find
We plug in f(x) into g(x) to get,
We expand parenthesis to get,
Or
EXPLANATION
The given functions are;
and
We now find
We plug in f(x) into g(x) to get,
We expand parenthesis to get,
Or