# Trigonometry Forum

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

1. ### Identities

• Replies: 2
• Views: 312
May 19th 2009, 12:20 PM
2. ### Weird Equation

• Replies: 6
• Views: 406
May 19th 2009, 08:21 AM
3. ### Need help with solving sums of cosines

• Replies: 3
• Views: 419
May 18th 2009, 08:12 PM
4. ### [SOLVED] trigonometry forum- proofs

• Replies: 6
• Views: 518
May 18th 2009, 06:46 PM
5. ### Graphing a function domain and range

• Replies: 2
• Views: 594
May 18th 2009, 03:55 PM
6. ### trig substitution?

• Replies: 4
• Views: 418
May 18th 2009, 02:08 PM
7. ### Triangle Problem! Help

• Replies: 10
• Views: 807
May 18th 2009, 08:54 AM
8. ### Solving for an angle

• Replies: 1
• Views: 291
May 18th 2009, 07:18 AM

• Replies: 1
• Views: 336
May 18th 2009, 06:53 AM
10. ### Sin, Tan, Cos?

• Replies: 1
• Views: 399
May 18th 2009, 12:32 AM
11. ### Position Puzzle

• Replies: 1
• Views: 390
May 17th 2009, 03:09 PM
12. ### y= ASin(Bx+C)+D

• Replies: 4
• Views: 2,400
May 17th 2009, 02:37 PM
13. ### Help with trig functions please

• Replies: 2
• Views: 427
May 17th 2009, 11:42 AM
14. ### cos((sinx)^-1)

• Replies: 2
• Views: 582
May 17th 2009, 12:35 AM
15. ### Simple Harmonic Motion

• Replies: 3
• Views: 780
May 16th 2009, 05:14 AM
16. ### [SOLVED] Getting the wrong sign for cosx+sinx=rsin(x+alpha)

• Replies: 3
• Views: 1,116
May 15th 2009, 07:50 AM
17. ### Trig Identity Problem

• Replies: 1
• Views: 977
May 15th 2009, 07:12 AM
18. ### stuck with 4 questions

• Replies: 4
• Views: 519
May 15th 2009, 06:23 AM
19. ### could you help me with these problem please ??

• Replies: 2
• Views: 444
May 15th 2009, 03:40 AM
20. ### Trig identity question

• Replies: 2
• Views: 401
May 14th 2009, 11:33 AM
21. ### How?

• Replies: 2
• Views: 281
May 14th 2009, 10:56 AM
22. ### General Solutions

• Replies: 3
• Views: 577
May 14th 2009, 05:29 AM
23. ### help with trig problems!!!

• Replies: 1
• Views: 1,339
May 13th 2009, 05:00 PM
24. ### A few problems...Compound & double-angle trig. formulae

• Replies: 8
• Views: 929
May 13th 2009, 03:25 PM
25. ### 1 problem

• Replies: 1
• Views: 541
May 13th 2009, 01:01 PM

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