Determine the value of the expression by using the given figure. Rationalize the denominator if necessary.

$\(\sec\)30^{\(\circ\)}$

Determine the value of the expression by using the given figure. Rationalize the denominator if necessary.

$\(\sin\)45^{\(\circ\)}$

Determine the value of the expression by using the given figure. Rationalize the denominator if necessary.

$\(\cot\]\frac{\pi}{6}\)$