Given the vector `vec u = (: -6, 8 :)`, determine the magnitude and angle of the vector (measured counterclockwise from the positive x-axis, `0^@ le theta lt 360^@`). Give the exact magnitude and `theta`  to 3 decimal places.

`||vec u||` =  

`theta` = degrees

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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed

Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Your answer should be accurate to at least 3 decimal places.