Answer: 0.8
Step-by-step explanation:
Using the Cosine formula :




substituting into the formula , we have




Therefore :
Cosine of angle A = 0.8
So if the ratio is 3:1, that means for every 3/12 of the small triangle, there is 1/12 of the big one
the shaded area ratio is 1/12:1/4
The graph that matches the function f(x) = 2(x – 1)2(x + 1)(x + 2) is shown in the attached file
<h3>How to draw the graph of a Polynomial?</h3>
A function assigns the value of each element of one set to the other specific element of another set.
We want to draw the graph of the function f(x) = 2(x – 1)2(x + 1)(x + 2). Using relevant coordinates input into the function and the generated output, the graph of the given function is as attached below.
Read more about Graph of polynomial at; brainly.com/question/14625910
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