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Free webinar on Robotics (Block Chain) Learn to create a Robotic Device Using Arduino
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where and when should we use dot and cross product and why? where and when should we use dot and cross product and why?
Hello student,It is extremely important to know the difference between dot and cross products and their usage.We define the dot product of two vectors r = ai + bj and s = ci + djto be r . s = ac + bdCross-product of two vetcors a and b is defined as(ax, ay, az) X (bx, by, bz) = aybz - azby, azbx - axbz,axby - aybx = ||a||||b|| sin θ nwhere n is the unit vector normal to a and b.
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