# Trigonometry Forum

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

1. ### Keeping line insede a rectangle

• Replies: 1
• Views: 508
Oct 13th 2009, 02:04 PM
2. ### Need some help on trig identities, difference quotient, and sum-to product

• Replies: 4
• Views: 1,666
Oct 13th 2009, 09:28 AM
3. ### Double and Half Angles

• Replies: 3
• Views: 469
Oct 13th 2009, 06:37 AM
4. ### Collision bounce angle.

• Replies: 3
• Views: 860
Oct 13th 2009, 05:48 AM
5. ### Polynomial graphs

• Replies: 1
• Views: 348
Oct 12th 2009, 07:01 PM
6. ### Which of the following is not defined?

• Replies: 1
• Views: 824
Oct 12th 2009, 02:23 PM
7. ### Trig and geometry: the area, perimeter and size of a cyclic quadrilateral

• Replies: 1
• Views: 1,054
Oct 12th 2009, 09:21 AM
8. ### parameter

• Replies: 5
• Views: 642
Oct 12th 2009, 04:21 AM
9. ### Help with Solving Trigonometric Equations

• Replies: 3
• Views: 361
Oct 12th 2009, 03:21 AM
10. ### Help with trig algebra. I can't figure this out

• Replies: 4
• Views: 459
Oct 11th 2009, 03:08 PM
11. ### Help with "19.6 - 60cos^2(θ)tan(θ) + 20cos^2(θ) = 0 please!?

• Replies: 9
• Views: 707
Oct 11th 2009, 02:54 PM
12. ### Three dimensional problem

• Replies: 0
• Views: 558
Oct 11th 2009, 01:33 PM
13. ### sin 2A + sin 2B + sin 2C = 4 sin A sin B sin C

• Replies: 4
• Views: 8,228
Oct 11th 2009, 01:05 PM
14. ### quick quesiton

• Replies: 2
• Views: 372
Oct 11th 2009, 12:50 PM
15. ### Odd/Even Functions in Regards to Trig

• Replies: 1
• Views: 434
Oct 11th 2009, 11:55 AM
16. ### Solving Tangent Equation

• Replies: 1
• Views: 473
Oct 11th 2009, 11:51 AM
17. ### suvat question help

• Replies: 1
• Views: 637
Oct 11th 2009, 10:52 AM
18. ### Alright, I don't understand the jump from this point to this point...

• Replies: 2
• Views: 690
Oct 11th 2009, 09:22 AM
19. ### Another speed time graph problem

• Replies: 3
• Views: 1,597
Oct 11th 2009, 09:11 AM
20. ### x € ] - pi/4 , pi/4 ] ^ tg x = 2k(2) - 3k

• Replies: 4
• Views: 560
Oct 11th 2009, 08:10 AM
21. ### SUVAT - Motion Equation

• Replies: 8
• Views: 1,115
Oct 11th 2009, 07:51 AM
22. ### 1-cos^2 a + tan^2 a * cos^2 a

• Replies: 3
• Views: 570
Oct 11th 2009, 07:46 AM
23. ### Trigonometric identities

• Replies: 3
• Views: 1,404
Oct 11th 2009, 06:26 AM
24. ### Help with evaluating sine

• Replies: 5
• Views: 497
Oct 10th 2009, 06:20 PM
25. ### Expressing sin(2x)sin(x) as a sum or difference of sin/cos terms

• Replies: 2
• Views: 630
Oct 10th 2009, 09:18 AM
26. ### inverse trig function help,

• Replies: 1
• Views: 591
Oct 10th 2009, 04:12 AM
27. ### 2b^2=a^2+c^2 => 2cotB=cotA+cotC

• Replies: 1
• Views: 845
Oct 10th 2009, 01:18 AM
28. ### Sin help

• Replies: 2
• Views: 291
Oct 9th 2009, 07:06 PM
29. ### 4A(tan(a/2)+tan(b/2)+tan(c/2))<=9R^2

• Replies: 0
• Views: 480
Oct 9th 2009, 07:22 AM

,

,

,

,

,

,

,

,

,

,

,

,

,

# trigonometry's sort view

Click on a term to search for related topics.

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.