Jawaban:
• p(2,1)
lPl = √2² + 1
= √4+1 = √5
• Q(4,1)
lQl = √4² + 1²
= √16+1 = √17
cos ∅ = P.Q / lPllQl
cos ∅ = (2,1).(4,1) / √5.√17
cos ∅ = (2.4)+(1.1) / √85
cos ∅ = 9/9
cos ∅ = 1
∅ = 360°
#koreksi
[[ SN ]]
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Jawaban:
• p(2,1)
lPl = √2² + 1
= √4+1 = √5
• Q(4,1)
lQl = √4² + 1²
= √16+1 = √17
cos ∅ = P.Q / lPllQl
cos ∅ = (2,1).(4,1) / √5.√17
cos ∅ = (2.4)+(1.1) / √85
cos ∅ = 9/9
cos ∅ = 1
∅ = 360°
#koreksi
[[ SN ]]