# Trigonometry Forum

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

1. ### trigo: proving an identity

• Replies: 3
• Views: 784
Dec 31st 2009, 09:12 AM
2. ### Simpl-equation

• Replies: 2
• Views: 571
Dec 31st 2009, 03:15 AM
3. ### Multiple Angle Formula Help

• Replies: 5
• Views: 766
Dec 30th 2009, 09:07 AM
4. ### reciprocal functions question

• Replies: 2
• Views: 892
Dec 30th 2009, 08:18 AM
5. ### trig proof

• Replies: 4
• Views: 786
Dec 30th 2009, 03:03 AM
6. ### tan2x

• Replies: 2
• Views: 677
Dec 30th 2009, 01:23 AM
7. ### solving this identity

• Replies: 5
• Views: 570
Dec 29th 2009, 02:24 PM
8. ### Angle multiplication

• Replies: 3
• Views: 446
Dec 29th 2009, 01:16 PM
9. ### trig equation

• Replies: 13
• Views: 520
Dec 28th 2009, 01:11 PM
10. ### trig identities help !

• Replies: 2
• Views: 538
Dec 28th 2009, 04:39 AM
11. ### tan(A-B)/tan(A) + (sinC)^2/(sinA)^2=1

• Replies: 2
• Views: 938
Dec 28th 2009, 12:29 AM
12. ### Moving onto trigo equations :(

• Replies: 1
• Views: 548
Dec 27th 2009, 05:30 AM
13. ### Proving an Identity

• Replies: 9
• Views: 733
Dec 26th 2009, 10:23 PM
14. ### Identity

• Replies: 5
• Views: 439
Dec 26th 2009, 09:11 PM
15. ### cotangent identity problem

• Replies: 3
• Views: 444
Dec 26th 2009, 03:17 PM
16. ### trig arithmetic series..

• Replies: 2
• Views: 1,209
Dec 26th 2009, 08:23 AM
17. ### Help required on solving Trigo sum..

• Replies: 5
• Views: 434
Dec 26th 2009, 06:07 AM
18. ### Trig/precalc bearing problems need help

• Replies: 6
• Views: 2,803
Dec 26th 2009, 03:51 AM
19. ### sin^2A+sinBsinCcosA=

• Replies: 1
• Views: 287
Dec 25th 2009, 10:33 PM
20. ### Tan graph

• Replies: 1
• Views: 501
Dec 25th 2009, 07:27 PM
21. ### trigo problem

• Replies: 4
• Views: 705
Dec 24th 2009, 07:08 AM
22. ### line equations, trig

• Replies: 4
• Views: 1,788
Dec 23rd 2009, 01:24 PM
23. ### problems with cosine equation

• Replies: 10
• Views: 639
Dec 23rd 2009, 01:00 PM
24. ### Proving Identities problem

• Replies: 3
• Views: 654
Dec 23rd 2009, 03:53 AM
25. ### Determine a sinusoidal equation.

• Replies: 5
• Views: 3,533
Dec 23rd 2009, 02:48 AM
26. ### Trigonometry Triangle Problem

• Replies: 3
• Views: 576
Dec 22nd 2009, 10:30 PM
27. ### Trig Problem

• Replies: 6
• Views: 452
Dec 21st 2009, 08:23 PM

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# trigonometry sotr

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