Find the approximate values of (i) `sin 1^(@)` (ii) `tan 2^(@)` (iii) `cos 1^(@)`.

Explanation

To find the approximate values of \( \sin 1^\circ \), \( \tan 2^\circ \), and \( \cos 1^\circ \), we can use the small angle approximations for trigonometric functions. These approximations are valid when the angle is measured in radians and is very small.

### Step-by-Step Solution:

1. **Convert Degrees to Radians**:
- The conversion from degrees to radians is done using the formula:
\[
\text{radians} = \text{degrees} \times \left(\frac{\pi}{180}\right)
...