Question #a5768
1 Answer
Dec 24, 2017
Good question...
Explanation:
#color(red)(costheta+iotasintheta# is a complex number,in which#color(red)(costheta# lies on real axis and#color(red)(iotasintheta#
lies on the imaginary axis of the argand plane.But
#color(green)(costheta+sintheta# is a just a simple number.Hope it helps...
Thank you...