Find the argument of , giving your answer in radians in the interval .
Answer and explanation
Correct answer: A.
- Step 1: Plot on an Argand diagram and find the angle from the positive real axis. Step 2. The point gives . **Answer: . Why not the others:** : That is the argument of a different complex number: check the quadrant. : That is the argument of a different complex number: check the quadrant. : That is the argument of a different complex number: check the quadrant.
Practise more Complex numbers.
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