(tan30°+cot30°)sin30°cos30°

jawab

(tan 30 + cot 0) sin 30 cos 30 =
= (1/3 √3 + √3 ) . (1/2)(1/2 √3)
= (4/3  √3)(1/4 √3)
= (4/3)(1/4) (√3)(√3)
= 1/3 (3)
= 1