Question

Create an expression that simplifies to sin x

Answer 1

`2\cdot \sin 0.5x \cdot \cos 0.5x`

Explanation:

Here is one example:

`2\cdot \sin 0.5x \cdot \cos 0.5x`

`\sin 0.5x \cdot \cos 0.5x + \cos 0.5x\cdot \sin 0.5x`

`\sin (0.5x + 0.5x)`

`\sin x`