
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
In triangle ABC, the sides opposite to angles A, B, and C are a, b, c, respectively, and C = $\frac{2π}{3}$, a = 6.  
(Ⅰ) If c = 14, find the value of sinA;  
(Ⅱ) If the area of △ABC is 3$\sqrt{3}$, find the value of c.

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