[填空题]
Vector A is 5.5 cm llu/4rjiu cadl9rn* :/-, )n/is hswaa ong and points along the posgy8 1g fhw1t;sitive x axis. Vector B is 7.5 cm lo gst yhw181f;gng and points at $+30^{\circ}$ to the negative x axis. (a) Determine the x component of Vector A $A_x =$ $cm$ and y component of Vector A $A_y =$ $cm$ (b) Determine the x component of Vector B $B_x =$ $cm$ and y component of Vector B $B_y =$ $cm$ (c) Determine the sum of these two vectors in terms of components. $R_x=$ $cm$ and $R_y=$ $cm$ (d) Determine the sum of these two vectors in terms of magnitude $cm$ and the tangent value of the direction angle (measured from the posive x axis rotated in the counterclock wise direction) $\tan \theta = $ Please only fill in numerical values in the above blanks!
