Q18 of 153 Page 14

Mark the Correct alternative in the following:

The argument of is







=60⁰


But answer is going in 3rd quadrant because tan θ is positive but sin θ and cos θ both are negative and it is possible only in 3rd quadrant.


So, answer is π + 60⁰ = 180⁰

More from this chapter

All 153 →
16

Mark the Correct alternative in the following:

If (x + iy)1/3 = a + ib, then


17

Mark the Correct alternative in the following:

is equal to


 19

Mark the Correct alternative in the following:

If then z4 equals


 20

Mark the Correct alternative in the following:

If then arg(z) equals