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Vector addition

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Type1 Type2
P is vector sum of vectors P1 and P2.

The length of P is

P = ( (P1+P2cos¥è)^2 + (P2sin¥è)^2 )^(1/2)
  = ( P1^2 + P2^2 + 2P1P2cos¥è )^(1/2)

The angle between vectors are

sin¥á = (P1sin¥è)/P
sin¥â = (P2sin¥è)/P

¥á = arcsin((P1sin¥è)/P)
¥â = arcsin((P2sin¥è)/P)
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- input data : P1, P2 and ¥è(deg)


¢º Length of P


¢º Angle ¥á, ¥â




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