Compute $u*v$ if $u$ and $v$ are unit vectors and the angle between them is $\frac{}{2}.$

Because $u$ and $v$ are unit vectors, $|u|=1$ and $|v|=1.$ Using the definition of a dot product for $u*v$ with $=\frac{}{2},$ it follows that $u*v=|u||v|cos=1.$

$$

$$

$($Type exact answers, using radicals as needed. Use integers or fractions for any numbers in the expressions.$)$