# Trigonometry Forum

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

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2. ### rectangular coordinates

• Replies: 9
• Views: 432
Dec 8th 2009, 06:24 PM
3. ### Help solve trig func equation and identity

• Replies: 4
• Views: 1,145
Dec 8th 2009, 05:40 PM
4. ### Trig

• Replies: 1
• Views: 345
Dec 8th 2009, 12:41 PM
5. ### Finding the period of sin function

• Replies: 3
• Views: 599
Dec 8th 2009, 12:38 PM
6. ### help req/d proving an identity please?

• Replies: 5
• Views: 545
Dec 8th 2009, 12:17 PM
7. ### Solving a trig equation

• Replies: 2
• Views: 421
Dec 8th 2009, 12:09 PM

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9. ### How to Turn this Trig f(x) into a Non-Trig f(x)

• Replies: 1
• Views: 397
Dec 8th 2009, 08:23 AM
10. ### Hint to proof this identity

• Replies: 2
• Views: 591
Dec 8th 2009, 08:03 AM
11. ### Problem with trigonometry calculation

• Replies: 1
• Views: 335
Dec 8th 2009, 04:42 AM
12. ### Find the period

• Replies: 1
• Views: 449
Dec 7th 2009, 09:37 PM
13. ### Solve the Equation

• Replies: 1
• Views: 391
Dec 7th 2009, 04:11 PM
14. ### Trig

• Replies: 1
• Views: 373
Dec 7th 2009, 02:36 PM
15. ### Parametric Equations for Conic Section

• Replies: 6
• Views: 2,966
Dec 7th 2009, 12:06 PM
16. ### inverse trig function

• Replies: 1
• Views: 502
Dec 7th 2009, 08:25 AM
17. ### Could use help with 1 more word problem...

• Replies: 2
• Views: 1,314
Dec 7th 2009, 07:32 AM
18. ### Trigo-equation

• Replies: 1
• Views: 569
Dec 7th 2009, 03:14 AM

• Replies: 5
• Views: 471
Dec 7th 2009, 03:07 AM
20. ### Deriving a compound angle formula..

• Replies: 8
• Views: 1,853
Dec 6th 2009, 09:45 PM
21. ### Trig Functions

• Replies: 1
• Views: 469
Dec 6th 2009, 07:50 PM
22. ### Determining an exact expression for a length.

• Replies: 5
• Views: 2,128
Dec 6th 2009, 02:14 PM
23. ### Find equation for trig word problem

• Replies: 7
• Views: 1,267
Dec 6th 2009, 01:21 PM
24. ### trig identity help.

• Replies: 3
• Views: 532
Dec 6th 2009, 01:19 PM
25. ### how to remmember these trigonometric formulas

• Replies: 4
• Views: 910
Dec 6th 2009, 02:51 AM

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