Answer:
is B
Step-by-step explanation:
Answer:
undefined
Step-by-step explanation:
Given

Required
Determine 
We know that:

This gives:


Collect like terms


Take square roots


By tan identity


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Answer:
3:5
4:4
15:7
Step-by-step explanation:
they only gave you 1 equation that is equal to 8 so all the others must be equivalent to 8