
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A ship, A, is directly east of a lighthouse, C, at a distance of 2 km. Another ship, B, is located 30° northwest of lighthouse C. The distance between ships A and B is 3 km. What is the distance from ship B to the lighthouse C?

Present the answer in LaTex format: \boxed{Your answer}
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