Driver Gear Pitch Angle (\( \gamma \)):

\[ \gamma = \tan^{-1} \left( \frac{t1}{t2} \right) \]

Where:

• \( \gamma \) is the pitch angle for the driver gear, in degrees (°).
• \( t1 \) is the number of teeth of the driver gear.
• \( t2 \) is the number of teeth of the driven gear.