Answer:
475767u5yttuyy
Step-by-step explanation:
phobrovicodibfofiffivonf
Answer:
Step-by-step explanation:
Double angle (or half angle, depending how you look at it) identities:
So we have
Note that when taking the square root, we should take into account that that could yield two possible solutions, but we know and , so it's also the case that .
Also, the reason we have equality in the last step can be explained like so:
(not unlike the process used to complete the square)
Answer:
4
Step-by-step explanation:
List all the factors of both numbers:
32: 1, 2, 4, 8, 16, 32
60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Now we look for the greatest number that is a factor of both 32 and 60.
Answer: 4