Diketahui:
Dari tabel dapat dilihat bahwa:
y -> x
1 -> π/3
0 -> 5π/6
-1 -> 4π/3
Ditanyakan:
Grafik Fungsi
Jawab:
*)1 = cos(x+a)
cos0 = cos((π/3)+a)
0 = (π/3)+a
-(π/3) = a
maka
cos(x+a) = cos(x-(π/3)) (D)
Mapel: Matematika
Kelas: 10
Materi: Trigonometri
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Diketahui:
Dari tabel dapat dilihat bahwa:
y -> x
1 -> π/3
0 -> 5π/6
-1 -> 4π/3
Ditanyakan:
Grafik Fungsi
Jawab:
*)1 = cos(x+a)
cos0 = cos((π/3)+a)
0 = (π/3)+a
-(π/3) = a
maka
cos(x+a) = cos(x-(π/3)) (D)
Mapel: Matematika
Kelas: 10
Materi: Trigonometri