# Trigonometry Forum

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

1. ### trig manipulating

• Replies: 1
• Views: 558
May 19th 2009, 06:59 PM
2. ### Need help with a review question

• Replies: 1
• Views: 401
May 19th 2009, 01:50 PM
3. ### Identities

• Replies: 2
• Views: 340
May 19th 2009, 12:20 PM
4. ### Weird Equation

• Replies: 6
• Views: 430
May 19th 2009, 08:21 AM
5. ### Need help with solving sums of cosines

• Replies: 3
• Views: 444
May 18th 2009, 08:12 PM
6. ### [SOLVED] trigonometry forum- proofs

• Replies: 6
• Views: 548
May 18th 2009, 06:46 PM
7. ### Graphing a function domain and range

• Replies: 2
• Views: 626
May 18th 2009, 03:55 PM
8. ### trig substitution?

• Replies: 4
• Views: 456
May 18th 2009, 02:08 PM
9. ### Triangle Problem! Help

• Replies: 10
• Views: 882
May 18th 2009, 08:54 AM
10. ### Solving for an angle

• Replies: 1
• Views: 326
May 18th 2009, 07:18 AM

• Replies: 1
• Views: 357
May 18th 2009, 06:53 AM
12. ### Sin, Tan, Cos?

• Replies: 1
• Views: 445
May 18th 2009, 12:32 AM
13. ### Position Puzzle

• Replies: 1
• Views: 423
May 17th 2009, 03:09 PM
14. ### y= ASin(Bx+C)+D

• Replies: 4
• Views: 2,599
May 17th 2009, 02:37 PM
15. ### Help with trig functions please

• Replies: 2
• Views: 454
May 17th 2009, 11:42 AM
16. ### cos((sinx)^-1)

• Replies: 2
• Views: 753
May 17th 2009, 12:35 AM
17. ### Simple Harmonic Motion

• Replies: 3
• Views: 937
May 16th 2009, 05:14 AM
18. ### [SOLVED] Getting the wrong sign for cosx+sinx=rsin(x+alpha)

• Replies: 3
• Views: 1,190
May 15th 2009, 07:50 AM
19. ### Trig Identity Problem

• Replies: 1
• Views: 1,047
May 15th 2009, 07:12 AM
20. ### stuck with 4 questions

• Replies: 4
• Views: 560
May 15th 2009, 06:23 AM
21. ### could you help me with these problem please ??

• Replies: 2
• Views: 471
May 15th 2009, 03:40 AM
22. ### Trig identity question

• Replies: 2
• Views: 440
May 14th 2009, 11:33 AM
23. ### How?

• Replies: 2
• Views: 300
May 14th 2009, 10:56 AM
24. ### General Solutions

• Replies: 3
• Views: 649
May 14th 2009, 05:29 AM
25. ### help with trig problems!!!

• Replies: 1
• Views: 1,821
May 13th 2009, 05:00 PM
26. ### A few problems...Compound & double-angle trig. formulae

• Replies: 8
• Views: 986
May 13th 2009, 03:25 PM

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# trigonometry sotr

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