# Trigonometry Forum

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

1. ### Write the expressions in terms of cosine?

• Replies: 3
• Views: 791
Mar 11th 2009, 11:27 AM
2. ### urgent homework

• Replies: 3
• Views: 489
Mar 10th 2009, 09:34 PM
3. ### finding the exact value

• Replies: 6
• Views: 1,547
Mar 10th 2009, 09:11 PM
4. ### show identity

• Replies: 6
• Views: 517
Mar 10th 2009, 08:05 PM
5. ### [SOLVED] Simplifying where am I going wrong?

• Replies: 1
• Views: 529
Mar 10th 2009, 05:07 PM
6. ### I need help with trig

• Replies: 1
• Views: 415
Mar 10th 2009, 02:53 PM
7. ### Trigonometry - Compound Angles

• Replies: 2
• Views: 621
Mar 10th 2009, 01:09 PM
8. ### problem set help

• Replies: 2
• Views: 426
Mar 10th 2009, 10:53 AM
9. ### [SOLVED] trig identity: true or false

• Replies: 1
• Views: 509
Mar 9th 2009, 04:59 PM
10. ### finding functions for lines which break

• Replies: 0
• Views: 364
Mar 9th 2009, 01:37 PM
11. ### Last complex trig question...hopefully! =p

• Replies: 0
• Views: 334
Mar 9th 2009, 01:12 PM
12. ### Trig series - Complex number

• Replies: 2
• Views: 515
Mar 9th 2009, 12:14 PM
13. ### Trigonometry

• Replies: 1
• Views: 552
Mar 9th 2009, 11:17 AM
14. ### Reference Triangle for csc(-150degrees)

• Replies: 1
• Views: 652
Mar 9th 2009, 07:14 AM
15. ### Finding the height with trig

• Replies: 1
• Views: 360
Mar 8th 2009, 07:35 PM
16. ### Rational Trigonometry

• Replies: 6
• Views: 741
Mar 8th 2009, 07:00 PM
17. ### Oscillating spring measurements?

• Replies: 1
• Views: 868
Mar 8th 2009, 02:45 PM
18. ### Solve a trigonometric equation

• Replies: 3
• Views: 582
Mar 8th 2009, 10:22 AM
19. ### trigonometry :extended section

• Replies: 6
• Views: 485
Mar 8th 2009, 08:39 AM
20. ### cos-1(0) = 90, so cos 90 = 0 but...

• Replies: 2
• Views: 2,281
Mar 8th 2009, 01:37 AM
21. ### [SOLVED] Urgentt HELP! 3D Trigonometry Problem

• Replies: 8
• Views: 829
Mar 7th 2009, 02:13 PM
22. ### Direction of a line segment relative to another

• Replies: 2
• Views: 529
Mar 7th 2009, 01:22 PM
23. ### Double Angle Question

• Replies: 3
• Views: 518
Mar 7th 2009, 12:09 PM
24. ### First time with trigonometric identities

• Replies: 9
• Views: 611
Mar 7th 2009, 11:34 AM
25. ### questions on some concepts

• Replies: 1
• Views: 405
Mar 7th 2009, 07:07 AM
26. ### Sinusoidal Functions

• Replies: 1
• Views: 1,767
Mar 7th 2009, 03:21 AM

• Replies: 3
• Views: 917
Mar 6th 2009, 05:05 PM
28. ### Solving a trigonometric equation

• Replies: 2
• Views: 449
Mar 6th 2009, 03:54 PM
29. ### trig proof

• Replies: 6
• Views: 583
Mar 5th 2009, 10:57 PM

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