2cos30°.cos60°+sin30°-tan60°
Matematika
JosuaRezvector
Pertanyaan
2cos30°.cos60°+sin30°-tan60°
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
2 . cos 30° . cos 60° + sin 30° - tan 60°
= 2 . 1/2 √3 . 1/2 + 1/2 - √3
= 1/2 √3 + 1/2 - √3
= 1/2 - 1/2 √3
= 1/2 . (1 - √3)