# Trigonometry Forum

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

1. ### Law of Cosines, help!

• Replies: 5
• Views: 518
Mar 19th 2009, 07:18 AM
2. ### Double-Angle Identity

• Replies: 1
• Views: 512
Mar 18th 2009, 07:13 PM
3. ### Sum of a Tangent

• Replies: 1
• Views: 400
Mar 18th 2009, 06:01 PM
4. ### Half angle

• Replies: 1
• Views: 351
Mar 17th 2009, 07:01 PM
5. ### [SOLVED] Inverse Trigonometric Functions

• Replies: 4
• Views: 507
Mar 17th 2009, 01:32 PM
6. ### trig identities

• Replies: 2
• Views: 1,935
Mar 17th 2009, 10:43 AM
7. ### Trig Help

• Replies: 2
• Views: 362
Mar 17th 2009, 07:24 AM
8. ### solving equations help

• Replies: 6
• Views: 699
Mar 17th 2009, 06:09 AM
9. ### trig help

• Replies: 2
• Views: 411
Mar 17th 2009, 03:21 AM

• Replies: 2
• Views: 434
Mar 17th 2009, 03:13 AM
11. ### trigonometric expansion

• Replies: 5
• Views: 719
Mar 17th 2009, 12:05 AM
12. ### trigonometric

• Replies: 2
• Views: 507
Mar 16th 2009, 10:33 PM
13. ### Trig Function Proofs

• Replies: 1
• Views: 513
Mar 16th 2009, 06:37 PM
14. ### Square roots of a complex number.

• Replies: 1
• Views: 668
Mar 16th 2009, 04:40 AM
15. ### exact value check

• Replies: 1
• Views: 435
Mar 16th 2009, 02:39 AM
16. ### help with exact value.

• Replies: 1
• Views: 657
Mar 16th 2009, 02:24 AM
17. ### exact value check

• Replies: 1
• Views: 457
Mar 15th 2009, 09:00 PM
18. ### polar form of complex number sign problem

• Replies: 1
• Views: 933
Mar 15th 2009, 05:33 PM
19. ### verifying identities help

• Replies: 1
• Views: 647
Mar 15th 2009, 04:25 PM
20. ### help verifying identities

• Replies: 3
• Views: 429
Mar 15th 2009, 04:08 PM
21. ### solving trigonometric equations

• Replies: 2
• Views: 567
Mar 15th 2009, 04:03 PM
22. ### Trig problem...

• Replies: 2
• Views: 465
Mar 15th 2009, 12:46 PM
23. ### Help Simplifying Trig Identities

• Replies: 1
• Views: 532
Mar 15th 2009, 09:38 AM
24. ### exact value check

• Replies: 9
• Views: 631
Mar 15th 2009, 05:25 AM

• Replies: 4
• Views: 850
Mar 14th 2009, 07:49 PM
26. ### identity showing practice

• Replies: 3
• Views: 686
Mar 14th 2009, 12:51 PM

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