Matematika

Pertanyaan

diketahui sin α° = 4/5, cos β° = 7/25. sin α° cos β° + cos α° sin β° = ?

2 Jawaban

  • sin α° = 4/5 maka cos α° = 3/5
    cos β° = 7/25 maka sin β° = 24/25

    nilai
    sin α cos β + cos α sin β
    = (4/5 × 7/25) + (3/5 × 24/25)
    = 28/125 + 72/125
    = 100/125
    = 4/5
  • :) semogaaa membantumu
    Gambar lampiran jawaban gitamurtia

Pertanyaan Lainnya