PEMBAHASAN
Trigonometri
konsep :
x = sudut pada ∆ siku-siku
sin x = sisi depan / sisi miring
cos x = sisi samping / sisi miring
tan x = sisi depan / sisi samping
∆ABC siku di C
sin α = BC/AB
sin β = AC/AB
cos α = AC/AB
cos β = BC/AB
tan α = BC/AC
tan β = AC/BC
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PEMBAHASAN
Trigonometri
konsep :
x = sudut pada ∆ siku-siku
sin x = sisi depan / sisi miring
cos x = sisi samping / sisi miring
tan x = sisi depan / sisi samping
∆ABC siku di C
sin α = BC/AB
sin β = AC/AB
cos α = AC/AB
cos β = BC/AB
tan α = BC/AC
tan β = AC/BC