((x/4)-(1/x)) / ((1/2x)+(1/4))
((x^2-4)/4x) / ((2+x)/4x)
(x^2-4) / (x+2)
(x+2)(x-2)/(x+2)
x-2
secX*2sinXcosX = 2(1-cos^2X)/sinX
2sinX = 2sin^2X/sinX
2sinX = 2sinX
SIMPLIFY
1. ((x/4)-(1/x)) / ((1/2x)+(1/4))
VERIFY
1. secXsin2X = (2-2cos^2X)/sinX
2 answers
OMG thank you so much!