Trigonometry Forum

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

1. [SOLVED] Double angle identities

• Replies: 3
• Views: 668
Feb 25th 2009, 02:05 AM
2. roots between 100π and 1000π Praxis II

• Replies: 1
• Views: 824
Feb 24th 2009, 06:46 PM
3. Trig Equations

• Replies: 1
• Views: 827
Feb 24th 2009, 10:08 AM
4. solve 8 sin (theta)-15cos(theta)=8.5

• Replies: 1
• Views: 1,352
Feb 24th 2009, 07:37 AM
5. Trig Functions & Unit Circle

• Replies: 1
• Views: 1,387
Feb 23rd 2009, 10:37 PM
6. Simplifying Trigonometric Equations

• Replies: 2
• Views: 579
Feb 23rd 2009, 03:32 PM
7. complex number polar form

• Replies: 1
• Views: 635
Feb 23rd 2009, 10:26 AM
8. establishing identities?

• Replies: 3
• Views: 577
Feb 23rd 2009, 05:55 AM
9. inverse functions in equations

• Replies: 4
• Views: 490
Feb 23rd 2009, 01:55 AM
10. basic trigonometry problems, help?

• Replies: 2
• Views: 633
Feb 22nd 2009, 11:41 PM
11. trigonomety word problem

• Replies: 2
• Views: 657
Feb 22nd 2009, 08:02 PM
12. trig problem

• Replies: 9
• Views: 495
Feb 22nd 2009, 03:10 PM
13. why is cot of 90= 0

• Replies: 2
• Views: 573
Feb 22nd 2009, 06:40 AM
14. What does a comma mean in a trig formula?

• Replies: 2
• Views: 4,884
Feb 22nd 2009, 02:57 AM
15. Help w/ Trig Questions

• Replies: 1
• Views: 671
Feb 21st 2009, 09:55 PM
16. h(31)=?

• Replies: 3
• Views: 466
Feb 21st 2009, 09:10 PM
17. Prove that tan(pi/15) is ...

• Replies: 2
• Views: 747
Feb 21st 2009, 12:55 PM
18. Sine/Cosine Equations

• Replies: 2
• Views: 1,021
Feb 21st 2009, 01:17 AM
19. Solving trig equations- Stuck at the double angle forumla

• Replies: 4
• Views: 953
Feb 20th 2009, 08:24 PM
20. BASIC Grade 11 Trigonometry Question on tan, cosec, sec, cot

• Replies: 2
• Views: 775
Feb 20th 2009, 06:25 PM
21. Trig equation

• Replies: 3
• Views: 1,880
Feb 20th 2009, 04:34 PM
22. what is this called?

• Replies: 2
• Views: 690
Feb 20th 2009, 03:52 AM
23. [SOLVED] Prove that this is true:

• Replies: 2
• Views: 685
Feb 19th 2009, 11:26 PM

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trigonometry sotr

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