jika Cos a= -24/25(180°
Matematika
Yosuajr01
Pertanyaan
jika Cos a= -24/25(180°<a <270°). Hitunglah Sin a dan Tg a
1 Jawaban
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1. Jawaban ari776
cosa = samping/miring
samping=-24
miring = 25
depan = akar 24 kuadrat + 25 kuadrat
= akar 1201
= 34,65
sin a =depan /miring
= 34,65/25
tan a =depan/samping
= -34.65/24