Question

Derive polar form of complex number when the complex number is in second quadrant.

Maths and physics of class 9

1. How to treat owner personal expenses if this amount is reimburse by owner.

with justification please

For every answer

find a quadratic equation whose roots are sin 15 and cos 15

sir, sorry but I didn't understand 6 th question

• tan x = -1 for 0<x<2π ??????