Tan² 30° + tan 60°- sin90°
Matematika
Rindife
Pertanyaan
Tan² 30° + tan 60°- sin90°
1 Jawaban
-
1. Jawaban Flawlyara
Mapel Matematika
Bab Trigonometri
Tan 30° = ✓3/3
Tan 60° = ✓3
Sin 90° = 1
Tan² 30° + Tan 60° - sin 90°
= (✓3/3)² + ✓3 - 1
= 3/9 + ✓3 - 1
= 1/3 + ✓3 - 1
= ✓3 - 2/3
= (3✓3 - 2) / 3