# Trigonometry Forum

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

1. ### Exact value for trig ratios

• Replies: 5
• Views: 800
Feb 5th 2009, 10:03 PM
2. ### Proving trigonometric identities

• Replies: 4
• Views: 910
Feb 5th 2009, 07:15 PM
3. ### foil doesn't work

• Replies: 5
• Views: 921
Feb 5th 2009, 06:25 PM
4. ### Need help :)

• Replies: 1
• Views: 515
Feb 5th 2009, 06:15 PM
5. ### Trig/Geometry Fun

• Replies: 2
• Views: 507
Feb 5th 2009, 06:04 PM
6. ### [SOLVED] Trig Function Graphs

• Replies: 4
• Views: 438
Feb 5th 2009, 05:53 PM
7. ### Solutions to sin equation

• Replies: 1
• Views: 462
Feb 5th 2009, 05:49 PM
8. ### [SOLVED] Verifying Trig identities

• Replies: 1
• Views: 644
Feb 5th 2009, 05:16 PM
9. ### Need help solving a trig problem

• Replies: 5
• Views: 2,422
Feb 5th 2009, 04:22 PM
10. ### Solving Trig Identities! HELP!

• Replies: 4
• Views: 660
Feb 5th 2009, 03:24 PM
11. ### I have theta in degrees, X in centimeters, and need to find Y

• Replies: 2
• Views: 775
Feb 5th 2009, 02:53 PM
12. ### Trigonometry

• Replies: 3
• Views: 371
Feb 5th 2009, 11:52 AM
13. ### 3d trig help please

• Replies: 0
• Views: 379
Feb 5th 2009, 10:44 AM
14. ### Cos sin problem?

• Replies: 8
• Views: 629
Feb 4th 2009, 07:51 PM
15. ### harmonic motion??

• Replies: 1
• Views: 3,809
Feb 4th 2009, 05:27 PM
16. ### Cosine Rule

• Replies: 1
• Views: 694
Feb 4th 2009, 10:37 AM
17. ### Trig Identities and finding real numbers

• Replies: 2
• Views: 857
Feb 4th 2009, 05:06 AM
18. ### More Trig/Pre-Cal Identity Proofs

• Replies: 9
• Views: 1,393
Feb 3rd 2009, 06:42 PM
19. ### Orbit coverage...

• Replies: 1
• Views: 993
Feb 3rd 2009, 05:28 PM
20. ### How do I make t chart for graphing trig equations?

• Replies: 0
• Views: 619
Feb 3rd 2009, 03:25 PM
21. ### [SOLVED] Sine wave relationship

• Replies: 3
• Views: 4,920
Feb 3rd 2009, 03:14 AM
22. ### Need help with verifying identities

• Replies: 1
• Views: 486
Feb 3rd 2009, 01:28 AM
23. ### [SOLVED] Pre-Cal/Trig Proofs

• Replies: 4
• Views: 571
Feb 2nd 2009, 05:47 PM
24. ### converting radian measure to degrees

• Replies: 2
• Views: 581
Feb 2nd 2009, 05:46 PM
25. ### Trig Identity/Equation

• Replies: 1
• Views: 1,644
Feb 2nd 2009, 11:12 AM
26. ### Product/sum identities - I need enlightenment!

• Replies: 2
• Views: 743
Feb 2nd 2009, 08:07 AM
27. ### cos45=sin45=1/2root2

• Replies: 1
• Views: 2,343
Feb 2nd 2009, 07:48 AM
28. ### trig identities

• Replies: 1
• Views: 521
Feb 2nd 2009, 06:46 AM

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