Tan 30° x cos 30° adalah

Bab Trigonometri

tan 30° × cos 30°
= sin 30°/cos 30° × cos 30
= sin 30°
= 1/2

Bab Trigonometri
Matematika SMA Kelas X

tan 30° x cos 30°
= 1/3 √3 x 1/2√3
= 1/3 x 1/2 x 3
= 1/2