
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
In acute triangle ABC, the sides opposite to angles A, B, and C are a, b, and c, respectively. Given that $$\frac {cosA}{a}+ \frac {cosB}{b}= \frac {2 \sqrt {3}sinC}{3a}$$.

1. Find the measure of angle B.
2. If b = $2 \sqrt {3}$, find the range of values for a + c.

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