
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 $α=\\cos 420^{\\circ}$, and the function $f(x)= \\begin{cases} \\overset{a^{x},\\;x < 0}{\\log \_{a}x\\;,\\;x\\geqslant 0}\\end{cases}$, find the value of $f( \\dfrac {1}{4})+f(\\log \_{2} \\dfrac {1}{6})$.

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