
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 $\tan X$ in the right triangle shown below.

[asy]
pair A, B, X;
A = (0,0);
X = (12,0);
B = (0,5);
draw(B--X--A--B);
draw(rightanglemark(B,A,X,20));
label("$A$", A, SW);
label("$X$", X, SE);
label("$B$", B, N);
label("$13$", (B+X)/2, NE);
label("$12$", X/2, S);
[/asy]

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