Sec 30° tan 60° ( sin 30° + cos 60°)​

Sec 30° tan 60° ( sin 30° + cos 60°)​

= ⅔√3 . √3 ( ½+½)

= ⅔ . 3 ( 2/2)

= 1 . 1

= 1

Semoga membantu:)