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1 answer:
<span>To find the union of the two sets simply write all of the elements together into one big set. Remove any duplicate entries (if there are any).</span>
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The intersection of the two sets A and B is the set of elements that are in BOTH sets. In this case, there is no overlap so we have
which is a way of saying "the empty set"
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The intersection of the two sets A and B is the set of elements that are in BOTH sets. In this case, there is no overlap so we have
which is a way of saying "the empty set"
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Answer:
See explanation
Step-by-step explanation:
The given trigonometric equation is .
We take the inverse cosine of both sides to get:
to the nearest degree
None of the options satisfies the given equation.
But if the question is actually;
Then;
.
.
.
.
Or
.
In this case the answer will be B