x = 2 cos 40 + 4 cos 127
y = 2 sin 40 + 4 sin 127
magnitude^2 = x^2+y^2
tan angle to x axis = y/x
Find the resultant of the following two displacements; 2.0 m 40 degrees 4.0 meters at 127 degrees. the angles are taken relative to the x-axis
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