# Trigonometry Forum

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

1. ### useful trig site

• Replies: 0
• Views: 644
Sep 25th 2009, 11:02 AM
2. ### Solve for θ

• Replies: 3
• Views: 482
Sep 25th 2009, 09:18 AM
3. ### hyperbolic assignment question

• Replies: 4
• Views: 891
Sep 25th 2009, 04:12 AM
4. ### Trignometric identities - Prove that the following is an identity.

• Replies: 1
• Views: 591
Sep 25th 2009, 01:59 AM
5. ### Some help with trig

• Replies: 2
• Views: 796
Sep 25th 2009, 01:16 AM
6. ### [SOLVED] Trig functions, exponents of trig functions, and tring stunt variables

• Replies: 2
• Views: 1,849
Sep 24th 2009, 10:43 PM
7. ### 88sin(x) + 242cos(x) = 250

• Replies: 2
• Views: 764
Sep 24th 2009, 09:46 PM
8. ### arcsec proplem pls

• Replies: 2
• Views: 713
Sep 24th 2009, 05:40 PM
9. ### Trig Problem

• Replies: 1
• Views: 1,017
Sep 24th 2009, 04:41 PM
10. ### sin or cos

• Replies: 3
• Views: 314
Sep 24th 2009, 05:13 AM
11. ### Cos (pi/7)

• Replies: 11
• Views: 1,420
Sep 24th 2009, 04:49 AM
12. ### Proving that arctg(x) + arcctg(x) = Pi/2

• Replies: 3
• Views: 6,891
Sep 23rd 2009, 11:54 AM
13. ### Periodic behavior.

• Replies: 1
• Views: 1,212
Sep 22nd 2009, 03:51 PM
14. ### Need help with one math problem

• Replies: 1
• Views: 434
Sep 22nd 2009, 02:49 PM
15. ### Trignometric Identities

• Replies: 4
• Views: 597
Sep 22nd 2009, 03:44 AM
16. ### Cos2x?`

• Replies: 4
• Views: 725
Sep 21st 2009, 10:00 PM
17. ### Help

• Replies: 1
• Views: 576
Sep 21st 2009, 07:00 PM
18. ### reduction of a cosΘ+/_ b sinΘ

• Replies: 2
• Views: 724
Sep 21st 2009, 10:50 AM
19. ### tracking a satellite

• Replies: 4
• Views: 4,751
Sep 21st 2009, 05:58 AM
20. ### sums and differnces of different angles

• Replies: 5
• Views: 406
Sep 21st 2009, 05:34 AM
21. ### i need help with simplifying trig fractions

• Replies: 2
• Views: 486
Sep 21st 2009, 01:51 AM
22. ### Inverse Trig Functions

• Replies: 2
• Views: 540
Sep 20th 2009, 11:08 PM

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