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sisi miring
= √(p² + q²)
sin θ
= sisi depan / sisi miring
Diketahui:
x=p
y=1/2(2q)=q
Ditanya:
Sin teta?
Jawab:
Sin teta=y/r
=q/(√p^2+q^2)
=q/(√p^2+q^2) x (√p^2+q^2)/(√p^2+q^2)
=q(√p^2+q^2)/(p^2+q^2)
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Catatan:
r=√x^2+y^2
r=√p^2+q^2
Demikian semoga membantu dan bermanfaat!