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Grade 12Vectors

(vector a *vector b)dot(vector a*vector b). It`s value in terms of a,b,c

Profile image of ARCHIT SARKAR
8 Years agoGrade 12
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2 Answers

Profile image of Khimraj
8 Years ago
Let angle between  vector a and b is c then
c.2sin2b2 = a2 = (absinc)2(vector a *vector b)(vector a *vector b)dot(vector a*vector b) = 
Hope it clears.
Profile image of Khimraj
8 Years ago
Let angle between  vector a and b is c then
(vector a *vector b)dot(vector a *vector b) =(vector a*vector b)2  = (absinc)2 = a2b2sin2c.
Hope it clears.

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