Find a value of that makes the equation true 21 + 5 = 2, + 5 Is there any value of t that doesnt work? Explain
2 answers:
Answer:
21 + 5 = 2 + 5
26 = 7
It is correct.
Answer:
Find a value of that makes the equation true 21 + 5 = 2, + 5 Is there any value of t that doesnt work? Explain
Step-by-step explanation:
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What is the question that is being asked?
Answer:1002
Step-by-step explanation:

and 
and

as 
Applying this we get
![\Rightarrow \sum_{1}^{1002}\left [ \cos^2\left ( \frac{k\pi }{2\cdot 2005}\right )+\cos^2\left ( \frac{(2005-k)\pi }{2\cdot 2005}\right )\right ]](https://tex.z-dn.net/?f=%5CRightarrow%20%5Csum_%7B1%7D%5E%7B1002%7D%5Cleft%20%5B%20%5Ccos%5E2%5Cleft%20%28%20%5Cfrac%7Bk%5Cpi%20%7D%7B2%5Ccdot%202005%7D%5Cright%20%29%2B%5Ccos%5E2%5Cleft%20%28%20%5Cfrac%7B%282005-k%29%5Cpi%20%7D%7B2%5Ccdot%202005%7D%5Cright%20%29%5Cright%20%5D)
every
there exist
such that 
therefore