Brittany needed new tires for her truck. She went to the auto shop and brought 4 tires on sale for $85.95 each. The salesman tol
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Recall the important identities:
i)
, the difference of squares formula.
ii)
, for any angle x.
Then,
from i)
then, from ii), we have
Answer: cos(theta)
i)
ii)
Then,
from i)
then, from ii), we have
Answer: cos(theta)
Answer:
The answer on ed is 17 units I took the test.
Step-by-step explanation:
