cos495° berapaa yaa? tolong bantu
Matematika
Malvinnjokeer
Pertanyaan
cos495° berapaa yaa? tolong bantu
2 Jawaban
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1. Jawaban CyntiaSianturi23
cos 495
= cos(360+135)
= cos 135
= -cos(180-45)
= -cos 45
= -akar2/2 -
2. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
cos 495° = cos (360° + 135°)
cos 495° = cos 135°
cos 495° = -1/2 √2