2 * Tan 30° per 1 + Tan 30° kuadrat

jika gini → 2 tan30/(1 + tan²30)
= [2(1/3)√3] / [1 + ((1/3)√3)²]
= [(2/3)√3] / (1 + (1/3))
= [(2/3)√3] / (4/3)
= (2√3)/4
= (1/2)√3

Maaf Kalau Salah