
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 the function $f(x)=\sin (2x+ \frac {\pi}{3})+\sin (2x- \frac {\pi}{3})+2\cos ^{2}x-1$, where $x\in\mathbb{R}$.
1. Find the smallest positive period of the function $f(x)$.
2. Find the maximum and minimum values of the function $f(x)$ in the interval $\left[- \frac {\pi}{4}, \frac {\pi}{4}\right]$.

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