Nilai cos 330°tan(-315°)-sin(-210°)cotan330°=...
Matematika
Berlianaalfarosi
Pertanyaan
Nilai cos 330°tan(-315°)-sin(-210°)cotan330°=...
1 Jawaban
-
1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
cos 330° . tan (-315°) - sin (-210°) . cotan 330°
= 1/2 √3 . 1 - 1/2 . (-√3)
= 1/2 √3 + 1/2 √3
= √3