# Trigonometry Forum

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

1. ### Trigonometric Sum

• Replies: 1
• Views: 499
May 26th 2009, 04:03 PM
2. ### help solving trig equation is appreciated

• Replies: 2
• Views: 397
May 26th 2009, 03:29 PM
3. ### help correcting my trig equations and proving one

• Replies: 6
• Views: 717
May 26th 2009, 01:26 PM
4. ### Sine Curve Simultaneous equation help

• Replies: 1
• Views: 1,124
May 26th 2009, 08:11 AM
5. ### Sine and Cosine rules

• Replies: 2
• Views: 475
May 26th 2009, 06:14 AM
6. ### Deduce result by solving equation?

• Replies: 2
• Views: 457
May 26th 2009, 04:36 AM
7. ### Trig Equations

• Replies: 1
• Views: 291
May 25th 2009, 01:43 PM
8. ### trig identity

• Replies: 3
• Views: 568
May 25th 2009, 10:44 AM
9. ### Trigonometric proof(requires use of complex numbers)?

• Replies: 2
• Views: 676
May 25th 2009, 08:24 AM
10. ### Trigonometric Sum

• Replies: 2
• Views: 609
May 25th 2009, 03:30 AM
11. ### Cosine fixpoint

• Replies: 1
• Views: 596
May 25th 2009, 01:01 AM
12. ### Find values of variable for which trigonometric expression takes only +ve values?

• Replies: 1
• Views: 1,193
May 24th 2009, 05:16 AM
13. ### eccentricity application

• Replies: 3
• Views: 829
May 24th 2009, 04:33 AM
14. ### Exact values

• Replies: 1
• Views: 789
May 24th 2009, 12:25 AM
15. ### Inequality

• Replies: 2
• Views: 539
May 22nd 2009, 06:17 PM
16. ### Arccot series and Arithmetic progressions?

• Replies: 3
• Views: 541
May 22nd 2009, 11:35 AM
17. ### Prove that trigonometric terms are in arithmetic progression?

• Replies: 1
• Views: 886
May 22nd 2009, 10:10 AM
18. ### Trig help

• Replies: 4
• Views: 362
May 22nd 2009, 08:11 AM
19. ### trig multiplication

• Replies: 1
• Views: 493
May 22nd 2009, 08:02 AM
20. ### proving trigonometric identity

• Replies: 5
• Views: 509
May 22nd 2009, 07:46 AM
21. ### height and distance problem

• Replies: 1
• Views: 1,142
May 21st 2009, 11:28 PM
22. ### help with proof, please.

• Replies: 2
• Views: 309
May 21st 2009, 02:27 PM
23. ### Triangulation/Parallax problem

• Replies: 2
• Views: 582
May 21st 2009, 10:20 AM
24. ### terminal arms

• Replies: 1
• Views: 621
May 20th 2009, 06:22 PM
25. ### Transformations of Functions

• Replies: 1
• Views: 880
May 20th 2009, 02:13 PM
26. ### help determining angle

• Replies: 1
• Views: 517
May 20th 2009, 01:38 PM
27. ### Just a quick trig solving question...

• Replies: 2
• Views: 517
May 20th 2009, 10:01 AM
28. ### anoying proof

• Replies: 1
• Views: 312
May 20th 2009, 04:10 AM

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