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Forum: Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.

  1. Sticky Thread Sticky: Read Before Posting!!

    Started by Ted, 02-21-2006 12:22 AM
    • Replies: 0
    • Views: 25,755
    02-21-2006, 12:22 AM Go to last post
    • Replies: 1
    • Views: 115,088
    04-07-2008, 01:06 PM Go to last post
  1. 1+sinx/cosx + cosx/1+sinx = 2secx

    Started by Timothy, 10-01-2006 09:46 AM
    • Replies: 4
    • Views: 62,926
    10-02-2006, 10:37 AM Go to last post
  2. solve without calculator

    Started by jennielynn_1980, 09-21-2008 07:53 PM
    • Replies: 6
    • Views: 60,165
    09-23-2008, 08:26 AM Go to last post
  3. Question Cubes and box question

    Started by inko, 09-05-2012 12:10 AM
    • Replies: 9
    • Views: 57,126
    09-06-2012, 12:30 AM Go to last post
    • Replies: 5
    • Views: 51,824
    06-02-2014, 11:48 PM Go to last post
    • Replies: 3
    • Views: 41,508
    07-21-2011, 07:58 PM Go to last post
  4. Show that the 4 points all lie on the same plane

    Started by sigma, 05-25-2006 12:01 PM
    • Replies: 3
    • Views: 40,914
    05-25-2006, 04:08 PM Go to last post
    • Replies: 5
    • Views: 40,113
    01-29-2012, 07:57 PM Go to last post
    • Replies: 3
    • Views: 40,066
    09-27-2016, 08:09 PM Go to last post
  5. verify 1/secx-tanx= tanx+secx

    Started by andie38290, 04-06-2013 02:29 PM
    • Replies: 4
    • Views: 39,916
    04-06-2013, 04:53 PM Go to last post
    • Replies: 4
    • Views: 39,327
    06-03-2007, 03:47 PM Go to last post
  6. Tan, Cos, and Sin... To the nearest degree.

    Started by Masonan, 09-24-2008 08:36 PM
    • Replies: 3
    • Views: 39,295
    09-25-2008, 03:56 AM Go to last post
  7. Tan (a+b+c) =????

    Started by Damoo, 11-05-2012 08:49 PM
    • Replies: 6
    • Views: 38,144
    11-22-2012, 11:45 PM Go to last post
    • Replies: 1
    • Views: 37,781
    06-03-2006, 08:59 PM Go to last post
  8. Trig problem sin( + pi/4)

    Started by lanieley, 06-07-2008 09:34 PM
    • Replies: 5
    • Views: 36,449
    06-08-2008, 10:38 PM Go to last post
  9. csc x - sin x = cot x * cos x

    Started by screambloodygore, 06-02-2006 05:55 AM
    • Replies: 3
    • Views: 36,393
    06-02-2006, 04:23 PM Go to last post
  10. Area of a Triangle Formula: inradius & semiperimeter

    Started by Trenters4325, 06-07-2006 05:16 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 35,751
    06-08-2006, 07:09 PM Go to last post
  11. converting degrees to feet

    Started by cfgardengirl, 02-08-2008 03:27 PM
    • Replies: 3
    • Views: 34,211
    02-08-2008, 03:49 PM Go to last post
    • Replies: 3
    • Views: 34,115
    07-10-2007, 02:02 AM Go to last post
  12. Finding the the radius of a circle using S=r

    Started by lanieley, 06-07-2008 03:20 PM
    • Replies: 4
    • Views: 33,151
    06-08-2008, 03:21 PM Go to last post

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