
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 $f(x)=\sin (ωx+φ)(ω > 0,|φ|≤\dfrac {π}{2})$ with a minimum positive period of $π$, and $x= \dfrac {π}{12}$ as one of the symmetry axes of the graph of $f(x)$.

(1) Find the values of $ω$ and $φ$.
(2) Let $g(x)=f(x)+f(x- \dfrac {π}{6})$, find the monotonically decreasing interval of $g(x)$.

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