
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
(Ⅰ) Given $\tan \alpha=3$, calculate the value of $\frac {4\sin (\pi-\alpha)-2\cos (-\alpha)}{3\cos ( \frac {\pi}{2}-\alpha)-5\cos (\pi+\alpha)}$.  
(Ⅱ) Given $\sin x+\cos x= \frac {1}{5}$ and $0 < x < \pi$, find the values of $\sin x$ and $\cos x$.

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