In in `triangleABC, angleC=105^(@), angleB=45^(@)` and `a=2` cm, then find the value of b.

Explanation

To find the value of side \( b \) in triangle \( ABC \) where \( \angle C = 105^\circ \), \( \angle B = 45^\circ \), and \( a = 2 \) cm, we can follow these steps:

### Step 1: Find Angle A
Using the angle sum property of triangles, we know that the sum of angles in a triangle is \( 180^\circ \). Therefore, we can find angle \( A \) as follows:

\[ \angle A = 180^\circ - \angle B - \angle C \]
...