Asked by harsa
if vector A=i cap *A cos thita + j cap *A sin thita, then another vector B , WHICH IS PERPENDICULAR TO VECTOR A,can be expressed as?give detailed answer?
Answers
Answered by
Damon
A = |A| cos thita i + |A| sin thita j
B = x i + y j
A dot B = 0 for perpendicular
|A| x cos thita + |A| y sin thita = 0
if x = -sin thita and y = cos thita
that works
(also the opposite of course)
B = x i + y j
A dot B = 0 for perpendicular
|A| x cos thita + |A| y sin thita = 0
if x = -sin thita and y = cos thita
that works
(also the opposite of course)
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