
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
\(\left(1-\operatorname{ctg}^{2}\left(\frac{3}{2} \pi - 2 \alpha\right)\right) \sin^{2}\left(\frac{\pi}{2} + 2 \alpha\right) \operatorname{tg}\left(\frac{5}{4} \pi - 2 \alpha\right) + \cos\left(4 \alpha - \frac{\pi}{2}\right)\).

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