= Tg30 cos30 sin30 tg45 tg60
= tan$30$ cos$30$ sin$30$ tan$45$ tan$60$ = $\surd 3/3$ $\surd 3/2$ $1/2$ 1 √3
= $\surd 3<em>\surd 3</em>1/3<em>2</em>2$ √3
= 3/12 √3
= 1/4 * √3
= √3 / 4