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How do u convert relative angle to absolute angles?

  • Thread starter Luongo
  • Start date
  • #1
120
0
ie: in the figure theta 3 i got i want theta 2 what formula would i use
 

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  • #2
120
0
ie: in the figure theta 3 i got i want theta 2 what formula would i use

help please
 
  • #3
648
2
I think it's th2=th1+th3-180
 
  • #4
D H
Staff Emeritus
Science Advisor
Insights Author
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There isn't enough information to tell.
 
  • #5
648
2
two_part_arm.gif


It's basic geometry.
Assuming the line I've drawn is parallel to the x axis

th2 = th3 -th
and
th = 180 - th1
Therefore
th2 = th1 + th3 - 180
 

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