# Trigonometry Forum

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

1. ### Finding the period of a trigonmetic sine curve

• Replies: 5
• Views: 2,242
Sep 25th 2009, 03:27 PM
2. ### Area of a figure using trigonometry?

• Replies: 1
• Views: 705
Sep 25th 2009, 02:18 PM
3. ### Distance a ramp must be. please check my working

• Replies: 1
• Views: 328
Sep 25th 2009, 02:00 PM
4. ### True bearing question

• Replies: 1
• Views: 1,149
Sep 25th 2009, 01:39 PM
5. ### proving an addition identity????

• Replies: 1
• Views: 444
Sep 25th 2009, 01:28 PM
6. ### useful trig site

• Replies: 0
• Views: 570
Sep 25th 2009, 10:02 AM
7. ### Solve for θ

• Replies: 3
• Views: 462
Sep 25th 2009, 08:18 AM
8. ### hyperbolic assignment question

• Replies: 4
• Views: 798
Sep 25th 2009, 03:12 AM
9. ### Trignometric identities - Prove that the following is an identity.

• Replies: 1
• Views: 570
Sep 25th 2009, 12:59 AM
10. ### Some help with trig

• Replies: 2
• Views: 778
Sep 25th 2009, 12:16 AM
11. ### [SOLVED] Trig functions, exponents of trig functions, and tring stunt variables

• Replies: 2
• Views: 1,791
Sep 24th 2009, 09:43 PM
12. ### 88sin(x) + 242cos(x) = 250

• Replies: 2
• Views: 622
Sep 24th 2009, 08:46 PM
13. ### arcsec proplem pls

• Replies: 2
• Views: 692
Sep 24th 2009, 04:40 PM
14. ### Trig Problem

• Replies: 1
• Views: 924
Sep 24th 2009, 03:41 PM
15. ### sin or cos

• Replies: 3
• Views: 308
Sep 24th 2009, 04:13 AM
16. ### Cos (pi/7)

• Replies: 11
• Views: 1,280
Sep 24th 2009, 03:49 AM
17. ### Proving that arctg(x) + arcctg(x) = Pi/2

• Replies: 3
• Views: 6,329
Sep 23rd 2009, 10:54 AM
18. ### Periodic behavior.

• Replies: 1
• Views: 1,160
Sep 22nd 2009, 02:51 PM
19. ### Need help with one math problem

• Replies: 1
• Views: 409
Sep 22nd 2009, 01:49 PM
20. ### Trignometric Identities

• Replies: 4
• Views: 580
Sep 22nd 2009, 02:44 AM
21. ### Cos2x?`

• Replies: 4
• Views: 701
Sep 21st 2009, 09:00 PM
22. ### Help

• Replies: 1
• Views: 557
Sep 21st 2009, 06:00 PM
23. ### reduction of a cosΘ+/_ b sinΘ

• Replies: 2
• Views: 705
Sep 21st 2009, 09:50 AM

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