A new cell tower is being constructed and needs a guy-wire connected 180 feet up the tower and it needs to make an angle of 52°
1 answer:
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Step-by-step explanation:
Given: and
We can solve for f(x) by writing
Let
Then
We know that f(0) = 0 so we can find the value for k:
Therefore,
Multiply both the numerator and denominator by , which is called the "conjugate" of
:
Why do we pick this number? Recall the difference of squares factorization:
Now replace and
. Then
So in your fraction, you end up with
Finally, just expand the product.