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Jawabannya dan cara terlampirMapel : Matematika
Kategori : Bab 6 - Trigonometri Dasar
Kata Kunci : Perbandingan sudut (Sin, COs, Tan)
Kode Soal : 10.2.6 [Kelas 10 Matematika Bab 6 - Trigonometri Dasar] [KTSP]
Cos A = 1/3 = samping / hipotenusa
depan = akar hipotenusa^2 - samping^2
depan = akar 9 - 1
depan = akar 8
Kuadran IV dimana hanya Cos dan Sec yang bernilai positif
Sin A = depan / hipotenusa = - akar 8/3 = - 1/3 akar 8
Tan A = depan / samping = - akar 8 / 1 = - akar 8
Sec A = 1/ cos A = 1/1/3 = 3
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