Answer:

Step-by-step explanation:
(This can be simplified, because when you divide expressions with exponents that have the same bases, you can subtract the exponents from the one with the corresponding base)

=
(Simplify)
= 

square root of negative is an imaginary solution or number. meaning it exist somewhere. square root of 64 is 8 and the square root of 25 is 5. "i" represent imaginary number
Answer:
it should be 90 degrees
Step-by-step explanation:
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