Jawabanmu

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2014-03-14T09:08:11+07:00
Sin = sisi depan/ sisi miring
sin A = 0,6 = 6/10 = BC/AC
AB √10²-6² = √100-36 = √64 = 8
tan A = sisi depan/ sisi samping
         = 6/8 = 3/4 = 0.75
2014-03-14T09:18:43+07:00
Sin A = 0,6
maka sin = 3/5

Sin = de/mi maka 
depan = 3
miring 5
samping = 4

tan= de/sa = 3/4