Posted by Leslie on Thursday, March 1, 2012 at 4:49pm.
((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
OMG thank you so much!
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