cos 135 + cos 270 Thank u
Matematika
ekodarson
Pertanyaan
cos 135 + cos 270
Thank u
Thank u
2 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
cos 135° + cos 270° = cos (180° - 45°) + cos (180° + 90°)
= - cos 45° - cos 90°
= -1/2 √2 - 0
= -1/2 √2 -
2. Jawaban joelsawang1
cos 136+cos270
-0,707+0
-0,707