Page 30 - E-MODUL TRIGONOMETRI KELAS X SMA (Eva Kurnia Rahayu_2017121039)_5
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9.
12
Cos A =
X
12
3
=
4 X
3x = 48
48
x =
3
= 16
(Jawaban B)
10
10. Cos A =
26
2
2
a – b = (a+b) (a-b)
= 36 . 16
= 6 . 4
Ayo Belajar…
= 24 Semangat Meraih
cita-citamu !!!
24
Sin A =
26
(Jawaban C)
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Trigonometri Kelas X 20
