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

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

(sin((5pi)/12)-cos((5pi)/12))/(cos((5pi)/12)+sin((5pi)/12))=

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

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

sin((13pi)/3)sin((8pi)/3)+cos((2pi)/3)sin((5pi)/6)=1/2

What is the values of tan ((5pi)/(6))sin((7pi)/(6)) ?

If z=6(cos(2(pi)/(7))+i sin(2(pi)/(7))) and w=3(cos(5(pi)/(7))+i sin(5(pi)/(7))) then what is the value of (z)/(w)

cos(pi/4)+isin(-pi/4)=?

-2(cos(pi/3)+isin(pi/3))=?

What is the value of the following? "cosec" ((7pi)/(6)) sec ((5pi)/(3))