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ângulo (
1
2
),(
3
−8
)
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Solution
arccos(−13√365)
+2
Degrees
132.87890…◦
Decimal
2.31917…
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Solution steps
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(
1
2
),(
3
−8
)
Calculando o ângulo entre os vetores: cos(θ)=⃗ a·⃗ b|⃗ a|·|⃗ b|