22.8	e) ExpToTrig[e^(i*(pi*(1/4)))-e^(i*(pi*(-1/4)))]
	f) ExpToTrig[2*e^(i*(pi*(1/4)))/(e^(i*(pi*(-3/4))))]

22.11	b) (((5+3i)*(5-3i))/(sqrt(2)(cos(5*pi/4)+i*sin(5*pi/4))))
	
22.14	(1-sqrt(3)i)^2-2*(1-sqrt(3)i)+4

23.1	a) (sqrt(3)-i)^(-12)-1/4096
	b) (3+sqrt(3)i)^5-(-432+144*sqrt(3)i)
	d) (sqrt(2)(cos(pi/12)+i*sin(pi/12)))^10-(-16sqrt(3)+16i)
	e) 2*(cos(pi/12)+i*sin(pi/12))^36
	h) (6*e^(i*(137*pi/180)))^2
	i) (2*e^(3*pi/4*i))^8
	k) (e^(i*pi*2/9))^273-(-1/2+sqrt(3)/2i)
	l) (e^(i*pi*3/307))^614

23.2	(-1)^(1/7)

23.3	(1+sqrt(3)i)^(1/5)

23.4	(-64)^(1/4)

23.5	(32*(cos(pi/3)+i*sin(pi/3)))^(1/5)