B bos1234 Member Joined Oct 9, 2006 Messages 490 Gender Male HSC 2007 Jun 6, 2007 #1 If sinx = 3/4 and pi/x < x < pi, find the exact value of sin2x answer -3rt7 / 8 i keep getting postvie
If sinx = 3/4 and pi/x < x < pi, find the exact value of sin2x answer -3rt7 / 8 i keep getting postvie
S SoulSearcher Active Member Joined Oct 13, 2005 Messages 6,751 Location Entangled in the fabric of space-time ... Gender Male HSC 2007 Jun 6, 2007 #2 If pi/2 < x < pi, then pi < 2x < 2pi, which is your domain for this question, hence why the answer for that question is negative, since the sin ratio is negative in that region.
If pi/2 < x < pi, then pi < 2x < 2pi, which is your domain for this question, hence why the answer for that question is negative, since the sin ratio is negative in that region.
