November 12th, 2012, 07:13 AM  #1 
Senior Member Joined: Sep 2011 Posts: 395 Thanks: 0  Trigonometric Ratios
The tables, or calculator, clearly shows that or . Is the books answer incorrect or did I miss something? Many thanks. Q. Using Mathematics Tables, write down the solutions of the equation in the interval . Attempt: Ans. 
November 12th, 2012, 10:52 AM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Trigonometric Ratios
Apparently, the book intended: or either that or the given solution is just wrong. 
November 12th, 2012, 10:56 AM  #3 
Senior Member Joined: Sep 2011 Posts: 395 Thanks: 0  Re: Trigonometric Ratios
Thanks for clearing that up. Much obliged.


Tags 
ratios, trigonometric 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Ratios  linhbui  Elementary Math  4  August 22nd, 2012 06:24 AM 
Grade 11 Trigonometric Ratios test tomorrow! Please help!  IHateFractions  Trigonometry  7  December 10th, 2011 02:32 AM 
Help with Trignometric Ratios  jattrockz  Trigonometry  5  November 10th, 2011 12:17 PM 
Ratios  MathematicallyObtuse  Algebra  3  January 9th, 2011 08:07 AM 
Geometric ratios  metallic.panda  Algebra  2  August 11th, 2009 12:12 AM 