Question #6441

finding the angle made by a vector with another..

In the following problem,:

a,b,c are three unit vectors such that

ax(bxc)=b/2

all of a,b,c being vectors.find the angle a makes with b and c...(b and c being non-parallel)

used the formulae for cross product but i did not get the solution to this problem.

In the following problem,:

a,b,c are three unit vectors such that

ax(bxc)=b/2

all of a,b,c being vectors.find the angle a makes with b and c...(b and c being non-parallel)

used the formulae for cross product but i did not get the solution to this problem.

Expert's answer

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