# Trigonometry Forum

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

1. ### diagram 3D

• Replies: 1
• Views: 6,874
Dec 16th 2011, 06:40 PM
2. ### Solve Trig Equation for x

• Replies: 5
• Views: 798
Dec 14th 2011, 02:58 PM
3. ### Even more trig function help

• Replies: 4
• Views: 515
Dec 13th 2011, 06:08 PM
4. ### Help Sketching a function

• Replies: 2
• Views: 666
Dec 13th 2011, 04:35 PM
5. ### Finding a reference angle and a trig function

• Replies: 1
• Views: 656
Dec 13th 2011, 10:08 AM
6. ### trig proof help

• Replies: 9
• Views: 659
Dec 13th 2011, 08:03 AM
7. ### (2cos(x/2)sin(x/2))/2cos^2(x/2)

• Replies: 1
• Views: 740
Dec 13th 2011, 07:25 AM
8. ### [2sin^2(x/2) ] / [2sin(x/2)cos(x/2)]

• Replies: 1
• Views: 1,072
Dec 13th 2011, 06:15 AM
9. ### trig identities

• Replies: 7
• Views: 2,249
Dec 12th 2011, 09:25 AM
10. ### Finding Exact Solutions Trig Equations

• Replies: 11
• Views: 5,761
Dec 11th 2011, 04:42 PM
11. ### Odd quadrant information?

• Replies: 2
• Views: 1,021
Dec 11th 2011, 02:47 PM
12. ### Finding exact values for trigonometric functions

• Replies: 2
• Views: 758
Dec 11th 2011, 11:41 AM
13. ### Really basic trig question

• Replies: 4
• Views: 691
Dec 10th 2011, 03:04 PM
14. ### vector problem

• Replies: 1
• Views: 689
Dec 10th 2011, 10:17 AM
15. ### Need Help, I got two sides and the area in a triangel .. Would be happy for any help!

• Replies: 1
• Views: 732
Dec 10th 2011, 06:44 AM
16. ### Need help proving trigonometric identities?

• Replies: 7
• Views: 1,565
Dec 9th 2011, 02:56 PM
17. ### Extra Credit Problem I dont understand at all!

• Replies: 1
• Views: 624
Dec 9th 2011, 02:49 PM
18. ### At what time are the trains 400 miles apart?

• Replies: 3
• Views: 1,614
Dec 8th 2011, 02:11 PM
19. ### Trigonometric equation

• Replies: 3
• Views: 442
Dec 8th 2011, 01:51 PM
20. ### Trig identities test tom

• Replies: 3
• Views: 508
Dec 7th 2011, 08:26 PM
21. ### simplify

• Replies: 6
• Views: 471
Dec 7th 2011, 08:03 PM
22. ### trig identities #2

• Replies: 1
• Views: 427
Dec 7th 2011, 08:00 PM
23. ### trig identities

• Replies: 3
• Views: 592
Dec 7th 2011, 07:58 PM
24. ### Linear Velocity?

• Replies: 5
• Views: 549
Dec 7th 2011, 06:06 AM
25. ### How to solve trig equations - is it ok to take values off graph

• Replies: 2
• Views: 524
Dec 7th 2011, 04:24 AM
26. ### Exact values in radians of θ, goven cosec & tan

• Replies: 2
• Views: 871
Dec 6th 2011, 01:30 PM
27. ### Prove that 1+ cos 2θ + cos 4θ+ cos 6θ = 4 cos θ cos 2θ cos 3θ

• Replies: 3
• Views: 1,389
Dec 5th 2011, 11:56 PM
28. ### Difficult-ish Trig Identity

• Replies: 2
• Views: 508
Dec 5th 2011, 08:54 PM

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