Fri March 12, 2010 By:

Vectors

1 Comments

7 years ago

Dear Student


a  X(a Xc)+  b =0


==> a  X(a Xc)= - b


ax ac sin theta =-b


Here  by defenition of vector cross product  a is per pendicualr


a^2c sin theta= -b


2sintheta=-1


Sin theta= -1/2


Theta=-30


So the angle is pi/6


Regards


Team


Topperlearning.com

Kasim Razak 2 2 days ago
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Kasim Razak 3 2 days ago
Good. I like this video/chapter/test/question/greeting
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