# Trigonometry Forum

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

1. ### exact value of cos75, sin15, cot-210

• Replies: 7
• Views: 7,205
May 2nd 2008, 03:55 PM
2. ### [SOLVED] Trignometry and Radians Question

• Replies: 4
• Views: 1,042
May 2nd 2008, 02:12 PM
3. ### Trig. Identity Proof: Sin2X CotX- 2Sin^2X = 2 Cos2X ...?

• Replies: 4
• Views: 4,070
May 2nd 2008, 12:12 PM
4. ### trigonometric identities

• Replies: 8
• Views: 658
May 1st 2008, 06:10 PM
5. ### cos x = 2 sin x find all solutions between 0deg and 360deg

• Replies: 3
• Views: 662
May 1st 2008, 04:12 PM
6. ### [SOLVED] Determine equation based on dataset

• Replies: 3
• Views: 678
May 1st 2008, 01:32 PM
7. ### Wierd trig question

• Replies: 0
• Views: 487
May 1st 2008, 11:13 AM
8. ### Trig equation - graphing to show solutions

• Replies: 1
• Views: 615
May 1st 2008, 08:31 AM
9. ### Verify by transforming one side into the other

• Replies: 1
• Views: 422
Apr 30th 2008, 02:52 PM
10. ### inclination angle problem

• Replies: 1
• Views: 1,094
Apr 30th 2008, 02:29 PM
11. ### trigonometric equation solve

• Replies: 1
• Views: 513
Apr 30th 2008, 01:59 PM
12. ### trigonometric functions

• Replies: 2
• Views: 537
Apr 29th 2008, 01:58 PM
13. ### Question on Trig Functions and Angles

• Replies: 3
• Views: 562
Apr 29th 2008, 01:57 PM
14. ### Deceptively difficult trig problem

• Replies: 4
• Views: 729
Apr 28th 2008, 08:48 PM
15. ### Fundamental identities

• Replies: 4
• Views: 694
Apr 28th 2008, 05:55 PM
16. ### Solving Linear Trig Equations

• Replies: 2
• Views: 747
Apr 28th 2008, 03:33 PM
17. ### COnverting rectangular equations to polar (and vice versa)

• Replies: 3
• Views: 2,302
Apr 28th 2008, 08:06 AM
18. ### Complex Numbers to polar..

• Replies: 1
• Views: 465
Apr 28th 2008, 12:19 AM
19. ### trig verifying identities

• Replies: 9
• Views: 625
Apr 27th 2008, 07:06 PM
20. ### [SOLVED] Proving Trigonometric Identities HELP!

• Replies: 10
• Views: 2,122
Apr 26th 2008, 04:56 PM
21. ### Trigonometry Question with bearings

• Replies: 3
• Views: 2,181
Apr 26th 2008, 02:43 AM

• Replies: 1
• Views: 585
Apr 25th 2008, 08:14 PM
23. ### polar coordinate equations

• Replies: 3
• Views: 3,815
Apr 25th 2008, 07:05 AM
24. ### Some trig help please

• Replies: 2
• Views: 460
Apr 25th 2008, 05:46 AM
25. ### vector HELP..

• Replies: 4
• Views: 384
Apr 25th 2008, 12:33 AM
26. ### Need help with proving an identity!

• Replies: 13
• Views: 568
Apr 24th 2008, 11:12 PM

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