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Verified answer
Kategori: Matematika - Eksponen dan LogaritmaKelas: X SMA
Kata Kunci: bentuk pangkat, bentuk logaritma
Pembahasan:
csc = 4/3
sin = 1 / csc
= 1 / (4/3)
= 1 × 3/4
= 3/4
cos = √ (1 - sin²)
= √ (1 - (3/4²)
= √ (1 - 9/16)
= √ ( 7/16)
= √7 / 4
= 1/4 √7
tan = sin / cos
= (3/4) / (√7/4)
= (3/4) × 4/√7
= 3/√7
= 3/7 √7
sec = 1 / cos
= 1 / (√7/4)
= 1 × 4/√7
= 4/√7
= 4/7 √7
cot = 1 / tan
= 1 / 3/√7
= 1 × √7/3
= 1/3 √7