# Trigonometry Forum

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

1. ### Angular Velocity?

• Replies: 2
• Views: 776
Oct 15th 2009, 08:12 AM
2. ### Help with solving a trigonometric equation

• Replies: 7
• Views: 542
Oct 15th 2009, 12:36 AM
3. ### Easy period questions

• Replies: 1
• Views: 357
Oct 14th 2009, 06:57 PM
4. ### ACT Question - cos and tan

• Replies: 4
• Views: 416
Oct 14th 2009, 04:50 PM
5. ### Trig Identity - I'm so close (i think..)

• Replies: 2
• Views: 567
Oct 14th 2009, 11:07 AM
6. ### Trig Identity - Im so confused!

• Replies: 6
• Views: 566
Oct 14th 2009, 10:17 AM
7. ### domain and range of inverse trig functions

• Replies: 2
• Views: 1,450
Oct 14th 2009, 04:47 AM
8. ### Unique Proportions?

• Replies: 2
• Views: 520
Oct 13th 2009, 07:27 PM
9. ### Evaluate values

• Replies: 2
• Views: 249
Oct 13th 2009, 07:00 PM
10. ### Somewhat Advanced Trig Identity Problem...

• Replies: 2
• Views: 321
Oct 13th 2009, 06:14 PM
11. ### Keeping line insede a rectangle

• Replies: 1
• Views: 491
Oct 13th 2009, 03:04 PM
12. ### Need some help on trig identities, difference quotient, and sum-to product

• Replies: 4
• Views: 1,648
Oct 13th 2009, 10:28 AM
13. ### Double and Half Angles

• Replies: 3
• Views: 445
Oct 13th 2009, 07:37 AM
14. ### Collision bounce angle.

• Replies: 3
• Views: 840
Oct 13th 2009, 06:48 AM
15. ### Polynomial graphs

• Replies: 1
• Views: 331
Oct 12th 2009, 08:01 PM
16. ### Which of the following is not defined?

• Replies: 1
• Views: 802
Oct 12th 2009, 03:23 PM
17. ### Trig and geometry: the area, perimeter and size of a cyclic quadrilateral

• Replies: 1
• Views: 1,037
Oct 12th 2009, 10:21 AM
18. ### parameter

• Replies: 5
• Views: 622
Oct 12th 2009, 05:21 AM
19. ### Help with Solving Trigonometric Equations

• Replies: 3
• Views: 340
Oct 12th 2009, 04:21 AM
20. ### Help with trig algebra. I can't figure this out

• Replies: 4
• Views: 444
Oct 11th 2009, 04:08 PM
21. ### Help with "19.6 - 60cos^2(θ)tan(θ) + 20cos^2(θ) = 0 please!?

• Replies: 9
• Views: 695
Oct 11th 2009, 03:54 PM
22. ### Three dimensional problem

• Replies: 0
• Views: 544
Oct 11th 2009, 02:33 PM
23. ### sin 2A + sin 2B + sin 2C = 4 sin A sin B sin C

• Replies: 4
• Views: 7,786
Oct 11th 2009, 02:05 PM

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