
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 $f(x)=2\tan (ωx+ϕ)(ω > 0,|ϕ| < \dfrac {π}{2})$ with the smallest positive period of $\dfrac {π}{2}$, and $f( \dfrac {π}{2})=-2$, find the values of $ω=$ \_\_\_\_\_\_ and $ϕ=$ \_\_\_\_\_\_.

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