# Trigonometry Forum

Trigonometry Help Forum: Graphing trig expressions, identities, angles, applied questions

1. ### Help with identities?

• Replies: 1
• Views: 364
Mar 11th 2012, 10:45 AM
2. ### Proving identities..

• Replies: 3
• Views: 497
Mar 8th 2012, 01:27 PM
3. ### Convert bearing range

• Replies: 1
• Views: 625
Mar 8th 2012, 09:40 AM
4. ### Inverse function help

• Replies: 1
• Views: 452
Mar 6th 2012, 11:34 PM

• Replies: 1
• Views: 775
Mar 6th 2012, 03:44 PM
6. ### Trigonometric Identity

• Replies: 4
• Views: 1,009
Mar 5th 2012, 09:28 PM
7. ### Trigonometry problem concerning compound angles

• Replies: 1
• Views: 855
Mar 5th 2012, 08:24 PM
8. ### Identity Problem

• Replies: 2
• Views: 674
Mar 2nd 2012, 04:51 PM
9. ### Angle between two points in all four quadrants?

• Replies: 0
• Views: 849
Feb 29th 2012, 08:22 PM
10. ### trig graphs

• Replies: 3
• Views: 486
Jan 17th 2012, 12:05 AM
11. ### [SOLVED] If sec =2, find the possible values of tan theta

• Replies: 6
• Views: 919
Jan 16th 2012, 04:04 PM
12. ### Formula product of sines

• Replies: 2
• Views: 1,268
Jan 15th 2012, 06:44 AM
13. ### Please check proof of identity

• Replies: 2
• Views: 597
Jan 14th 2012, 03:49 PM
14. ### sinusoidal graph axis

• Replies: 2
• Views: 557
Jan 14th 2012, 10:20 AM
15. ### Solving Hyperbolic Equations for t

• Replies: 3
• Views: 819
Jan 13th 2012, 03:17 PM
16. ### [SOLVED] # of solutions for triangles

• Replies: 6
• Views: 9,425
Jan 11th 2012, 09:38 PM
17. ### Graph of Trigo Func.

• Replies: 1
• Views: 509
Jan 10th 2012, 08:59 AM
18. ### [SOLVED] spherical triangle problem

• Replies: 1
• Views: 1,132
Jan 10th 2012, 08:30 AM
19. ### Application of a Sum Formula

• Replies: 4
• Views: 1,416
Jan 6th 2012, 05:01 PM
20. ### [SOLVED] Sum or Difference Formulas

• Replies: 6
• Views: 2,497
Jan 5th 2012, 06:53 PM
21. ### period of trig function

• Replies: 2
• Views: 696
Jan 3rd 2012, 12:41 PM
22. ### Trigonometric equation

• Replies: 4
• Views: 472
Jan 1st 2012, 06:50 AM
23. ### Please check proof of identity.

• Replies: 4
• Views: 581
Dec 28th 2011, 03:29 AM
24. ### Proving identities, again.

• Replies: 6
• Views: 519
Dec 24th 2011, 10:31 AM
25. ### From Sine Rule to cos (theta) = p / 2q

• Replies: 2
• Views: 863
Dec 24th 2011, 04:17 AM

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