The resultant of two equal forces P making an angle $$\theta$$, is given by:

A

$$2P \sin\left(\frac{\theta}{2}\right)$$

B

$$2P \tan \left(\frac{\theta}{2}\right)$$

C

$$2P \cot \left(\frac{\theta}{2}\right)$$

D

$$2P \cos \left(\frac{\theta}{2}\right)$$