If `sinA=-3/5` and A lies in third quadrant, find the remaining trignometric ratios.

Explanation

To solve the problem, we need to find the remaining trigonometric ratios given that \( \sin A = -\frac{3}{5} \) and \( A \) lies in the third quadrant.

### Step-by-step Solution:

1. **Identify the Quadrant**:
Since \( A \) is in the third quadrant, we know that:
- \( \sin A < 0 \)
- \( \cos A < 0 \)
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