# Trigonometry Forum

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

1. ### [SOLVED] trig identity: true or false

• Replies: 1
• Views: 453
Mar 9th 2009, 05:59 PM
2. ### finding functions for lines which break

• Replies: 0
• Views: 308
Mar 9th 2009, 02:37 PM
3. ### Last complex trig question...hopefully! =p

• Replies: 0
• Views: 302
Mar 9th 2009, 02:12 PM
4. ### Trig series - Complex number

• Replies: 2
• Views: 467
Mar 9th 2009, 01:14 PM
5. ### Trigonometry

• Replies: 1
• Views: 388
Mar 9th 2009, 12:17 PM
6. ### Reference Triangle for csc(-150degrees)

• Replies: 1
• Views: 579
Mar 9th 2009, 08:14 AM
7. ### Finding the height with trig

• Replies: 1
• Views: 313
Mar 8th 2009, 08:35 PM
8. ### Rational Trigonometry

• Replies: 6
• Views: 656
Mar 8th 2009, 08:00 PM
9. ### Oscillating spring measurements?

• Replies: 1
• Views: 673
Mar 8th 2009, 03:45 PM
10. ### Solve a trigonometric equation

• Replies: 3
• Views: 514
Mar 8th 2009, 11:22 AM
11. ### trigonometry :extended section

• Replies: 6
• Views: 438
Mar 8th 2009, 09:39 AM
12. ### cos-1(0) = 90, so cos 90 = 0 but...

• Replies: 2
• Views: 2,124
Mar 8th 2009, 03:37 AM
13. ### [SOLVED] Urgentt HELP! 3D Trigonometry Problem

• Replies: 8
• Views: 731
Mar 7th 2009, 03:13 PM
14. ### Direction of a line segment relative to another

• Replies: 2
• Views: 463
Mar 7th 2009, 02:22 PM
15. ### Double Angle Question

• Replies: 3
• Views: 445
Mar 7th 2009, 01:09 PM
16. ### First time with trigonometric identities

• Replies: 9
• Views: 386
Mar 7th 2009, 12:34 PM
17. ### questions on some concepts

• Replies: 1
• Views: 346
Mar 7th 2009, 08:07 AM
18. ### Sinusoidal Functions

• Replies: 1
• Views: 1,582
Mar 7th 2009, 04:21 AM

• Replies: 3
• Views: 747
Mar 6th 2009, 06:05 PM
20. ### Solving a trigonometric equation

• Replies: 2
• Views: 380
Mar 6th 2009, 04:54 PM
21. ### trig proof

• Replies: 6
• Views: 504
Mar 5th 2009, 11:57 PM

• Replies: 1
• Views: 457
Mar 5th 2009, 11:42 PM
23. ### Trig without using a calculator help

• Replies: 4
• Views: 806
Mar 5th 2009, 01:54 PM
24. ### Trig Identity Help

• Replies: 2
• Views: 346
Mar 5th 2009, 01:05 PM
25. ### Trig Equation Problem

• Replies: 4
• Views: 433
Mar 5th 2009, 12:37 PM
26. ### solving for all values of x 0° to 360°

• Replies: 7
• Views: 604
Mar 5th 2009, 12:01 PM
27. ### Trig Identity

• Replies: 4
• Views: 395
Mar 5th 2009, 11:26 AM
28. ### Solve the trigonometric equation

• Replies: 2
• Views: 567
Mar 5th 2009, 09:08 AM
29. ### I've narrowed it down to this (identity proof)

• Replies: 1
• Views: 370
Mar 5th 2009, 04:23 AM
30. ### Verify the following identity

• Replies: 1
• Views: 432
Mar 5th 2009, 01:52 AM

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### trigonometry all fourm

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