
Trigonometry Trigonometry Math Forum 
 LinkBack  Thread Tools  Display Modes 
June 1st, 2018, 04:25 AM  #1 
Newbie Joined: Mar 2018 From: Philippines Posts: 3 Thanks: 0  TrigonometricIdentity Problem (Quick Question)
Shouldn't the quadrant in the orange circle (or whatever it looks like) match with the quadrant in the green one (i.e., Quadrant I)? Thanks. Sent from my BLNL21 using Tapatalk 
June 1st, 2018, 07:09 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,307 Thanks: 1976 
Yes. It appears "in QI" should have been "in QIII".


Tags 
problem, question, quick, trigonometricidentity 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Trigonometric identity  Lobinho  Trigonometry  7  March 31st, 2015 03:13 PM 
Trigonometric Identity Problem...  perfect_world  Trigonometry  4  August 7th, 2013 02:52 PM 
trigonometric identity  matemagia  Trigonometry  4  August 30th, 2012 07:40 PM 
trigonometric identity  afrim  Trigonometry  8  October 1st, 2011 02:59 AM 
trigonometric identity  TG  Algebra  2  March 7th, 2008 04:22 PM 