
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 that $α∈(0, \dfrac {π}{3})$, satisfies the equation $ \sqrt {3}\sin α+\cos α= \dfrac { \sqrt {6}}{2}$.

(1) Find the value of $\cos (α+ \dfrac {π}{6})$;

(2) Find the value of $\cos (2α+ \dfrac {7}{12}π)$.

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