# Trigonometry Forum

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

1. ### Ultrasound ranging

• Replies: 1
• Views: 361
Nov 14th 2008, 12:11 PM
2. ### Proving an identity

• Replies: 4
• Views: 413
Nov 14th 2008, 10:55 AM
3. ### Is there a special technique to proving trigonmetric identities?

• Replies: 3
• Views: 563
Nov 13th 2008, 07:39 PM
4. ### [SOLVED] Proving Trig Identities

• Replies: 3
• Views: 1,033
Nov 13th 2008, 04:45 PM
5. ### Need help on identities

• Replies: 2
• Views: 646
Nov 13th 2008, 02:10 PM
6. ### Solve a trigonomoetric equation

• Replies: 2
• Views: 751
Nov 13th 2008, 09:24 AM
7. ### Identities help...

• Replies: 1
• Views: 477
Nov 13th 2008, 07:30 AM
8. ### half angles ..

• Replies: 1
• Views: 451
Nov 13th 2008, 06:57 AM
9. ### I need help solving a trig proof

• Replies: 1
• Views: 939
Nov 13th 2008, 04:10 AM
10. ### cot on calculator?

• Replies: 11
• Views: 14,423
Nov 12th 2008, 10:59 PM
11. ### Proving Trig Identities

• Replies: 1
• Views: 794
Nov 12th 2008, 07:45 PM
12. ### Trig Identities

• Replies: 3
• Views: 1,127
Nov 12th 2008, 03:38 PM
13. ### Trigonomic Identity Problem

• Replies: 1
• Views: 618
Nov 12th 2008, 02:55 PM
14. ### Prove Trig Identity

• Replies: 3
• Views: 593
Nov 12th 2008, 11:52 AM
15. ### tower question

• Replies: 1
• Views: 645
Nov 12th 2008, 11:29 AM
16. ### Trigonometry with minutes

• Replies: 2
• Views: 497
Nov 12th 2008, 03:25 AM
17. ### trigonometric graph

• Replies: 2
• Views: 711
Nov 11th 2008, 11:27 PM
18. ### Trigonometry - Half angle??

• Replies: 1
• Views: 746
Nov 11th 2008, 08:30 PM
19. ### Sinusoidal Functions-word problem

• Replies: 2
• Views: 3,045
Nov 11th 2008, 08:11 PM
20. ### x as function of theta

• Replies: 2
• Views: 369
Nov 11th 2008, 04:14 PM
21. ### trig problem

• Replies: 0
• Views: 465
Nov 11th 2008, 04:06 PM
22. ### Sum and Difference

• Replies: 3
• Views: 508
Nov 11th 2008, 02:51 PM
23. ### trig proofs

• Replies: 5
• Views: 1,142
Nov 11th 2008, 07:48 AM
24. ### height of a mountain

• Replies: 3
• Views: 978
Nov 10th 2008, 06:01 PM
25. ### vectors

• Replies: 1
• Views: 420
Nov 10th 2008, 05:32 PM
26. ### Prove this identity (quick!)

• Replies: 1
• Views: 515
Nov 10th 2008, 04:20 PM
27. ### sin&cos

• Replies: 2
• Views: 733
Nov 10th 2008, 03:23 PM
28. ### More trig review

• Replies: 3
• Views: 773
Nov 10th 2008, 01:56 PM

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