
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
Find the derivative.

\[ 
y=\frac{1}{4} \ln \left|\operatorname{th} \frac{x}{2}\right|-\frac{1}{4} \cdot \ln \frac{3+\operatorname{ch} x}{\operatorname{sh} x} 
\]

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