Jika cotangen a 4/3 maka sin a =...?
Matematika
olvyn09
Pertanyaan
Jika cotangen a 4/3 maka sin a =...?
2 Jawaban
-
1. Jawaban 18Navillera
cotan a = 4/3
maka
x = 4
y = 3
r = 5
sin a = y/r
sin a = 3/5 -
2. Jawaban dnnyz07
cot a = sa/de
cot a = 4/3
sa = 4
de = 3
mi = 5 (phytagoras)
sin a = de/mi
= 3/5