# Trigonometry Forum

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

1. ### Algebra

• Replies: 4
• Views: 604
Sep 14th 2010, 11:12 PM
2. ### Help to solve simple trigonometric equation

• Replies: 2
• Views: 550
Sep 14th 2010, 05:40 AM
3. ### Exact value (trig)

• Replies: 4
• Views: 784
Sep 14th 2010, 05:38 AM
4. ### Range of values

• Replies: 1
• Views: 636
Sep 14th 2010, 03:28 AM
5. ### An Interesting Triq Question

• Replies: 4
• Views: 713
Sep 14th 2010, 02:24 AM
6. ### Trig equation

• Replies: 3
• Views: 331
Sep 13th 2010, 02:25 PM
7. ### Demonstration involving sine and cosine

• Replies: 5
• Views: 454
Sep 13th 2010, 09:05 AM
8. ### Need help with sin, cos, tan

• Replies: 3
• Views: 390
Sep 12th 2010, 06:09 PM
9. ### Angle Of Depression Question

• Replies: 2
• Views: 1,049
Sep 12th 2010, 05:38 AM
10. ### chaleenging one

• Replies: 2
• Views: 607
Sep 10th 2010, 03:18 AM
11. ### Trigonometry 2

• Replies: 1
• Views: 388
Sep 9th 2010, 10:26 PM
12. ### Trigonometry

• Replies: 2
• Views: 334
Sep 9th 2010, 01:17 PM
13. ### Transformations

• Replies: 0
• Views: 622
Sep 9th 2010, 10:40 AM
14. ### sin(x+30deg), why graph move to the left?

• Replies: 8
• Views: 849
Sep 9th 2010, 10:01 AM
15. ### Inverse trig domain

• Replies: 1
• Views: 539
Sep 9th 2010, 06:41 AM
16. ### Trigonometry Proof

• Replies: 4
• Views: 614
Sep 9th 2010, 01:23 AM
17. ### sin(A+B) and cos rule

• Replies: 3
• Views: 582
Sep 8th 2010, 03:31 PM
18. ### Rotation of a square on a plane

• Replies: 2
• Views: 794
Sep 8th 2010, 01:00 PM
19. ### Find SEC

• Replies: 1
• Views: 432
Sep 7th 2010, 09:46 PM
20. ### Proof that this equation is valid (have tried to solve myself many times..)

• Replies: 4
• Views: 444
Sep 7th 2010, 08:55 PM
21. ### Solution of Oblique Triangles Help

• Replies: 3
• Views: 1,572
Sep 7th 2010, 05:39 PM
22. ### Using Trigonometric Identity

• Replies: 3
• Views: 886
Sep 7th 2010, 03:21 AM
23. ### Sin and Cos

• Replies: 2
• Views: 589
Sep 6th 2010, 07:43 PM
24. ### Trigonometry and Surds

• Replies: 2
• Views: 2,732
Sep 6th 2010, 11:36 AM
25. ### What's the difference between these two trig identity problems?

• Replies: 2
• Views: 674
Sep 6th 2010, 09:03 AM
26. ### Trigonometry Distance Problems--Working with angles and sides

• Replies: 3
• Views: 1,159
Sep 5th 2010, 09:22 PM
27. ### ooh a tricky question

• Replies: 16
• Views: 1,412
Sep 5th 2010, 06:29 AM

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