" 7.संख्या "(cos(pi)/(6)+i sin(pi)/(6))^(7)" का बुख्य कोणांक ब्ञात कीfिए। "

(cos(pi/6)+isin(pi/6))^7=?

z=5(cos((7pi)/6)+isin((7pi)/6))=?

If z=cos((pi)/(4))+i sin((pi)/(6)), then

If z = cos (pi)/(4) + i sin (pi)/(6) , then

(cos^(-1)(sin((7 pi)/6))

z = (1+cos6 pi)+i sin6 pi

sin(pi/6 )+cos(pi/3)=

Find the rectangular form of the complex numbers. (cos" " (pi)/(6) + i sin" " (pi)/(6)) (cos" " (pi)/(12) + i sin" " (pi)/(12))

Find the rectangular form of the complex numbers. (cos" " (pi)/(6) - i sin" " (pi)/(6))/(2(cos" " (pi)/(3) + i sin" " (pi)/(3)))