
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
One of the lateral sides of a trapezoid forms an angle $\alpha$ with the larger base, while the other lateral side, equal to $a$, forms an angle $\beta$ with the smaller base (where $\beta > \alpha$). Find the median of the trapezoid if the smaller base is equal to $b$.

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