Recall the identity,
(link to proof in the comments)
so that the required sum has a value of
Recall another identity,
which means
Then the sum's value reduces to 1/2.
Answer:
I guess
Step-by-step explanation:
1. rewrite the expression(it helps me tbh)
2. Distribute the positive symbol to (1-3i)
3. treat i as a variable while you combine like terms
4. divide 25 by 6-5i but leave 25/6 as a fraction since it can't be divisible.
Answer:
the square pyramid has a base that is 4 units on each side. The height of each triangular face is 4 units.
Step-by-step explanation:
for the base count the boxes on one side. For the height count from the base of the pyramid to the point of the triangular faces.
Answer: To see if a table of values represents a linear function, check to see if there's a constant rate of change. If there is, you're looking at a linear function!
Step-by-step explanation: