
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
Given that vectors $\overrightarrow {m}$=(sinA, $\frac {1}{2}$) and $\overrightarrow {n}$=(3, sinA+ $\sqrt {3}$cosA) are colinear, where A is an internal angle of △ABC.
(1) Find the measure of angle A;
(2) If BC=2, find the maximum value of the area S of △ABC.

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