# Trigonometry Forum

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

1. ### Trigonometric identities.

• Replies: 14
• Views: 810
Nov 5th 2010, 09:43 AM
2. ### Had a test today.. Need to know if this is right.

• Replies: 4
• Views: 505
Nov 4th 2010, 11:51 PM
3. ### Where to take square root "positive, negative" and where to take it only "positive"??

• Replies: 4
• Views: 751
Nov 3rd 2010, 12:12 PM
4. ### Determining exact values for non-special angles

• Replies: 2
• Views: 3,140
Nov 2nd 2010, 08:38 PM
5. ### [SOLVED] Write (Cos(5x))^2 using half angle formula

• Replies: 5
• Views: 3,969
Nov 2nd 2010, 04:01 PM
6. ### 3sin(6x)cosec(2x)=4

• Replies: 2
• Views: 1,060
Nov 2nd 2010, 02:39 PM
7. ### exact value equation. identity for next step?

• Replies: 3
• Views: 416
Nov 2nd 2010, 06:36 AM
8. ### trig problems:

• Replies: 4
• Views: 1,079
Nov 2nd 2010, 12:16 AM
9. ### Proving identity

• Replies: 3
• Views: 312
Nov 1st 2010, 12:03 PM
10. ### equation

• Replies: 2
• Views: 464
Nov 1st 2010, 06:47 AM
11. ### Application

• Replies: 11
• Views: 612
Oct 30th 2010, 11:45 PM
12. ### cos-1

• Replies: 4
• Views: 510
Oct 29th 2010, 03:02 PM
13. ### Circular Functions Application #2

• Replies: 1
• Views: 468
Oct 29th 2010, 05:11 AM
14. ### Circular Functions Application

• Replies: 1
• Views: 936
Oct 29th 2010, 04:58 AM
15. ### Solve using trig identities

• Replies: 5
• Views: 462
Oct 28th 2010, 07:59 PM
16. ### Simplifying an equation using trig identities

• Replies: 2
• Views: 412
Oct 28th 2010, 05:40 PM
17. ### Easy trig question

• Replies: 3
• Views: 465
Oct 28th 2010, 04:51 PM
18. ### Trig Proof

• Replies: 6
• Views: 382
Oct 28th 2010, 10:04 AM
19. ### Evaluation of Sec...

• Replies: 2
• Views: 838
Oct 28th 2010, 05:45 AM
20. ### Taking 1/2 of arcsin/arccos/arctan

• Replies: 4
• Views: 1,508
Oct 28th 2010, 05:13 AM
21. ### King Kong and the Railroad Track problem.

• Replies: 1
• Views: 825
Oct 27th 2010, 07:13 PM
22. ### Trig Proof

• Replies: 3
• Views: 475
Oct 27th 2010, 06:55 PM
23. ### Find all possible x's for cos(x) >= -1/2

• Replies: 2
• Views: 627
Oct 27th 2010, 09:54 AM
24. ### Trig Proof

• Replies: 1
• Views: 406
Oct 26th 2010, 04:55 PM
25. ### Graphing trig expressions such as sin(1/x)

• Replies: 2
• Views: 441
Oct 26th 2010, 02:56 PM
26. ### [SOLVED] Solve Bearing and Time for Trig problem using two right angles

• Replies: 2
• Views: 1,706
Oct 25th 2010, 09:34 PM
27. ### Trignometric prol

• Replies: 2
• Views: 628
Oct 25th 2010, 02:26 PM
28. ### sin(2x) minus square root of three over two

• Replies: 2
• Views: 1,034
Oct 25th 2010, 12:23 PM
29. ### Next step on proving an identity.

• Replies: 2
• Views: 339
Oct 25th 2010, 11:08 AM

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