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Maths Algebra

QuestionAnswer
Describe a vector A directed line segment joining two points
Notation for 3 dimensional space R^3
Notation for 2 dimensional space R^2
Dot Product Equation Vectors P & Q OP.OQ = [OP].[OQ]cos(teta)
Method for measuring angles Measure anticlockwise from between 0 & pi radians
If P=(a,b) and Q=(c,d) what is the dot product? a*c+b*d
Define the positive normal P=(a,b) P is not 0 Positive normal = (-b,a) and is perpendicular to P
Proof of normal positive Np=(-b,a) ONp.OQ = (-b,a).(c,d)
Created by: 100001090681079
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