1.Nilai COS 540° ,, 2. Nilai Tan 135° + cos 210° Tolong beserta caranya
Matematika
Rifaiiii
Pertanyaan
1.Nilai COS 540° ,,
2. Nilai Tan 135° + cos 210°
Tolong beserta caranya
2. Nilai Tan 135° + cos 210°
Tolong beserta caranya
2 Jawaban
-
1. Jawaban violincantika
Cos 540°
= cos 180°
= -1
Tan 135° + Cos 210°
= -1 - 1/2√3 -
2. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
1] cos 540° = cos (360° + 180°
cos 540° = cos 180°
cos 540° = -1
2] tan 135° + cos 210°
= tan (180° - 45°) + cos (180° + 30°)
= - tan 45° + (- cos 30°)
= -1 - 1/2 √3
= (-2 - √3)/2