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The parallelogram law or triangle rule_In the
triangle rule, you use the second vector starting at the terminus of the
first vector & then join the base of the first vector to the
terminus of the second vector, thereby completing a triangle, to obtain
the resultant vector.
Whereas in the parallelogram rule, you join both the vectors at their respective bases & then draw their respective parallel vectors starting from the the terminus of the other vector thereby creating a parallelogram for you. Now, he resultant vector must be the diagonal vector of the parallelogram starting at the first common base point of the two given vectors & ending at the vertex on the diagonally opposite side of the parallelogram.
In both cases, you can find the angle that the resultant vector makes w.r.t one of the original vectors trigonScalar rectangular components.ometric-ally
For the vector ai + bj + ck,
x-component = a,
y-component = b,
z-component = c.
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