
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 $f(x)= \overrightarrow{a} \cdot \overrightarrow{b}$, where vector $\overrightarrow{a}=(m,\cos x)$, $\overrightarrow{b}=(1+\sin x,1)$, $x\in R$, and $f( \frac {\pi}{2})=2$.

(1) Find the value of the real number $m$;

(2) Find the minimum value of the function $f(x)$.

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