Write down the exact value of
1 answer:
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If you look at a unit circle (or you have one memorized, which I would strongly suggest) (√2/2,√2/2) is located at the radian value 
, which is 45 degrees
Answer:
or
Step-by-step explanation:
Bring the 8 to the left side so that we equal the equation to 0. To do this, simply substract 8 on both sides.
Where;
Replace. Let x be r
It has no real solution because the square root is negative.
We can say that,