diketahui tetha,betha,dan y sudut-sudut suatu segitiga.Jika sin tetha =12/13 dan cos betha =-3/5,nilai sin Y a.-56/65 b.-16/65 c.16/65 d.24/65 e.56/65
Matematika
71N421
Pertanyaan
diketahui tetha,betha,dan y sudut-sudut suatu segitiga.Jika sin tetha =12/13 dan cos betha =-3/5,nilai sin Y
a.-56/65
b.-16/65
c.16/65
d.24/65
e.56/65
a.-56/65
b.-16/65
c.16/65
d.24/65
e.56/65
1 Jawaban
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1. Jawaban mayayanti
b.-16/65
12/13.-3/5+5/13.4/5=-36/65+20/65=-16/65