Determine $$u^.v$$ If $\| \mathbf { u } \| = 5 , \| \mathbf { v } \| = 6$

Multiple Choice

Determine $$u^.v$$ if $\| \mathbf { u } \| = 5 , \| \mathbf { v } \| = 6$ ,and $\theta = \frac { \pi } { 3 }$ where θ is the angle between u and v.Round answer to two decimal places.

A) 21.21
B) 20.49
C) 15.00
D) 18.11
E) 25.98