
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
The graph of $$y=2\sin(4x- \frac {1}{4}\pi)$$ is translated to the left by $$\frac {\pi}{2}$$ units, and then the x-coordinates of all points on the obtained graph are stretched to twice their original length. Find the equation of the function corresponding to the obtained graph.

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