jika 0°< x < 90° dan cot x = 1/7, maka cosec x =
Matematika
irviadiva
Pertanyaan
jika 0°< x < 90° dan cot x = 1/7, maka cosec x =
1 Jawaban
-
1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
x = p
cot p = 1/7 = x/y
r = √(x² + y²)
r = √(1² + 7²)
r = √(1 + 49)
r = √50
r = 5 √2
cosec p = r/y
cosec p = (5√2) = 7
cosec p = (5/7) √2