Trigonometry Forum

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

1. trig problem

• Replies: 9
• Views: 503
Feb 22nd 2009, 03:10 PM
2. why is cot of 90= 0

• Replies: 2
• Views: 581
Feb 22nd 2009, 06:40 AM
3. What does a comma mean in a trig formula?

• Replies: 2
• Views: 4,952
Feb 22nd 2009, 02:57 AM
4. Help w/ Trig Questions

• Replies: 1
• Views: 681
Feb 21st 2009, 09:55 PM
5. h(31)=?

• Replies: 3
• Views: 472
Feb 21st 2009, 09:10 PM
6. Prove that tan(pi/15) is ...

• Replies: 2
• Views: 775
Feb 21st 2009, 12:55 PM
7. Sine/Cosine Equations

• Replies: 2
• Views: 1,056
Feb 21st 2009, 01:17 AM
8. Solving trig equations- Stuck at the double angle forumla

• Replies: 4
• Views: 965
Feb 20th 2009, 08:24 PM
9. BASIC Grade 11 Trigonometry Question on tan, cosec, sec, cot

• Replies: 2
• Views: 793
Feb 20th 2009, 06:25 PM
10. Trig equation

• Replies: 3
• Views: 1,985
Feb 20th 2009, 04:34 PM
11. what is this called?

• Replies: 2
• Views: 725
Feb 20th 2009, 03:52 AM
12. [SOLVED] Prove that this is true:

• Replies: 2
• Views: 699
Feb 19th 2009, 11:26 PM
13. Trigonometry (Pre-Cal)

• Replies: 3
• Views: 521
Feb 19th 2009, 06:28 PM
14. Double angle formulas

• Replies: 4
• Views: 810
Feb 19th 2009, 06:53 AM
15. Vectors

• Replies: 2
• Views: 543
Feb 19th 2009, 05:28 AM
16. Distance b. Points (Polar Coordinates)

• Replies: 3
• Views: 614
Feb 19th 2009, 12:49 AM
17. Okay, last topic for today.. it's about expressing a sec as a sin..

• Replies: 2
• Views: 611
Feb 18th 2009, 06:22 PM

• Replies: 1
• Views: 1,210
Feb 18th 2009, 02:20 PM
19. Another simplify trig. problem.

• Replies: 2
• Views: 413
Feb 18th 2009, 01:51 PM
20. Trig Help ( verify answers)

• Replies: 1
• Views: 720
Feb 18th 2009, 06:31 AM
21. Desparate trig help needed

• Replies: 1
• Views: 416
Feb 18th 2009, 12:25 AM
22. [SOLVED] I'm confused on how to simplify trig expressions..

• Replies: 2
• Views: 544
Feb 17th 2009, 05:22 PM
23. Geometry Sin Problem

• Replies: 2
• Views: 583
Feb 17th 2009, 04:34 PM
24. Help solving equations using identities

• Replies: 4
• Views: 728
Feb 17th 2009, 09:38 AM
25. prove sum and difference identities

• Replies: 9
• Views: 647
Feb 16th 2009, 12:32 PM
26. Trig product

• Replies: 1
• Views: 499
Feb 16th 2009, 08:30 AM

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trigonometry sotr

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