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issisoccer10
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[SOLVED] normalizing a cross product
How does normalizing (T(t) x T'(t)) equal ||T'(t)||?
r'(t) x r''(t) = ||r'(t)||^2·(T(t) x T'(t))
||r'(t) x r''(t)|| = ||r'(t)||^2·||T'(t)||
This doesn't bode well with me. Simply don't get it. Please shed some light on this for me
Homework Statement
How does normalizing (T(t) x T'(t)) equal ||T'(t)||?
Homework Equations
r'(t) x r''(t) = ||r'(t)||^2·(T(t) x T'(t))
||r'(t) x r''(t)|| = ||r'(t)||^2·||T'(t)||
The Attempt at a Solution
This doesn't bode well with me. Simply don't get it. Please shed some light on this for me