Add vectors A, B and C each having magnitude of 100 unit and inclined to the x-axis at angles 45º, 135º and 315º respectively.
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First, we will find the components of the vector along the 
-axis and 
-axis. Then we will find the resultant 
and 
-components.
Now, y-component of 
y-component of 
-component of 
Resultant 
-component
Magnitude of the resultant 
Angle made by the resultant vector with the 
-axis is given by
The magnitude of the resultant vector is 100 units and it makes an angle of 
with the 
-axis.
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