Answer:
If you need anything just let me know.
Step-by-step explanation:
Hope you have a good day.
For this case we have the following expression:
We apply distributive property, which by definition establishes that:
So:
Answer:
Answer:
The measure of angle A is
Step-by-step explanation:
we know that
Applying the law of cosines
substitute the values and solve for cos(A)
Answer:
40
Step-by-step explanation:
8 muffins=1 cup of flour.
8 muffins × 5 cups = 40
Answer:
1+i
Step-by-step explanation:
To find the 8th roots of unity, you have to find the trigonometric form of unity.
1. Since then
and
This gives you
Thus,
2. The 8th roots can be calculated using following formula:
Now
at k=0,
at k=1,
at k=2,
at k=3,
at k=4,
at k=5,
at k=6,
at k=7,
The 8th roots are
Option C is icncorrect.