# Trigonometry Forum

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

1. ### trig identities

• Replies: 1
• Views: 436
Jan 18th 2009, 08:45 PM
2. ### identities

• Replies: 1
• Views: 519
Jan 18th 2009, 06:25 PM
3. ### different angles same solution

• Replies: 2
• Views: 1,062
Jan 18th 2009, 04:12 PM
4. ### trig 2

• Replies: 1
• Views: 408
Jan 18th 2009, 10:57 AM
5. ### Proving sin 15 deg

• Replies: 2
• Views: 914
Jan 18th 2009, 05:30 AM
6. ### Calculation Problem

• Replies: 11
• Views: 830
Jan 17th 2009, 08:31 PM
7. ### trig 1

• Replies: 2
• Views: 717
Jan 17th 2009, 05:06 PM
8. ### Simplify of cosinus and sinus terms

• Replies: 3
• Views: 1,065
Jan 17th 2009, 12:24 PM
9. ### Trig help

• Replies: 5
• Views: 430
Jan 16th 2009, 01:19 PM
10. ### Feel pretty dumb, basic trig question

• Replies: 3
• Views: 747
Jan 16th 2009, 12:27 PM
11. ### Trig

• Replies: 4
• Views: 637
Jan 16th 2009, 07:40 AM
12. ### Number systems

• Replies: 5
• Views: 586
Jan 16th 2009, 04:51 AM
13. ### Trig problem

• Replies: 3
• Views: 294
Jan 15th 2009, 07:44 PM
14. ### trig help

• Replies: 2
• Views: 386
Jan 15th 2009, 06:47 PM
15. ### trig graph problem

• Replies: 4
• Views: 515
Jan 15th 2009, 03:16 PM
16. ### trig help

• Replies: 2
• Views: 459
Jan 15th 2009, 02:52 PM
17. ### sum of cosines

• Replies: 3
• Views: 762
Jan 14th 2009, 10:02 PM
18. ### trig substitution and integration by parts

• Replies: 7
• Views: 1,181
Jan 14th 2009, 08:01 PM
19. ### Solve (sin x+pi) + x = 0

• Replies: 5
• Views: 700
Jan 14th 2009, 07:38 PM
20. ### Complex numbers

• Replies: 6
• Views: 412
Jan 14th 2009, 03:04 PM
21. ### [SOLVED] Trigonometric help 2

• Replies: 3
• Views: 894
Jan 14th 2009, 11:19 AM
22. ### [SOLVED] Trigonometry help!

• Replies: 1
• Views: 666
Jan 14th 2009, 10:15 AM
23. ### Trig question: with intervals

• Replies: 1
• Views: 416
Jan 13th 2009, 08:08 PM
24. ### Cot is undefined and Sec is negative...

• Replies: 1
• Views: 711
Jan 13th 2009, 06:59 PM

• Replies: 3
• Views: 431
Jan 13th 2009, 06:49 PM
26. ### trig

• Replies: 4
• Views: 415
Jan 13th 2009, 05:05 PM

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# trigonometry sotr

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