
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 triangle $ABC$ with angles $A$, $B$, $C$ and their respective opposite sides $a$, $b$, $c$, where $3a=5c\sin A$ and $\cos B=-\frac{5}{13}$.

1. Find the value of $\sin A$.
2. If the area of $\triangle ABC$ is $\frac{33}{2}$, find the value of $b$.

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