Jeremiah Tay's answer to Jae's Junior College 2 H2 Maths Singapore question.

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Jeremiah Tay
Jeremiah Tay's answer
10 answers (Tutor Details)
1st
Remember that the angle in complex numbers rotates in an anti-clockwise direction, with 0 radiant on the real axis line.

In addition, always remember to make use of trigonometry when proving questions using angles, eg sin rule, cos rule, toa cah soh etc