# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2008 | January | Q#2

Hits: 9

**Question**

**a. **Find the value of .

**b. **Simplify .

**Solution**

**a.
**

**b.
**

Hits: 9

**Question**

**a. **Find the value of .

**b. **Simplify .

**Solution**

**a.
**

**b.
**

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