y = ( x + 9 )^2 - 2
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It is a mixed number because 12/2 can be written as 6 instead of 12/2
Answer:
see explanation
Step-by-step explanation:
Note that cos315° = cos45° and sin315° = - sin45° and
cos45° = sin45° =
= 
Hence
12(cos315° + isin315°)
= 12(cos45° - isin45°)
= 12(
- i
)
= 6
- 6i 
6/40 is equalvilant because all you have to do is double or simplify it by 2
Answer:
1
Step-by-step explanation: i am not sure