If `sin alpha cos beta=-(1)/(2)` then find the range of values of `cos alpha sin beta`

Explanation

To solve the problem, we need to find the range of the expression \( \cos \alpha \sin \beta \) given that \( \sin \alpha \cos \beta = -\frac{1}{2} \).

### Step-by-step Solution:

1. **Start with the given equation**:
\[ \sin \alpha \cos \beta = -\frac{1}{2} \]
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